I NEED HELP‼️
Select all relations that are functions.
{(3,2), (5,8), (2,-2)}
{(4,-2),(4,-3),(4,6)}
{(-1,2),(-2,2),(-3,2),(-4,2)}
{(-7,5).(6,-3).(5,8)}

Janet buys a pair of shoes for 50% off the original price of $80. What is the sale price of the shoes? will mark brainliest if the answer is correct english julius caesar critical thinking puzzle the letters on his face are E, R, Y, H, and M:) One challenge of the American Red Blood What is the slope of the line y= -121x + 200 ?? Determine the size of memory needed for CD recording of a piece of music, which lasts for 26 minutes, is done with a 20-bit Analog-to-Digital Converter (ADC) in stereo (2 channels), at the rate of 44.1 kSa/s, with the compression factor 6 (allow 10% error margin). What is the purpose of a personal narrative? What effect should it have on readers? In 1956, uprisings behind the iron curtain occurred in___.Yugoslavja and RomaniaCzechoslovakia and PolandHungary and CzechoslovakiaPoland and Hungary On a coordinate plane, a line goes through points (negative 3, negative 3) and (0, 3).What is the slope of the line on the graph?11/223do it and I will give you a suprise plzzzzz helppppp!!....... Helpppppppppppppppppp question is in the picture pls help me. much appreciated The components that make up the genetic code are common to all organisms. If a segment of a gene contains 27 nucleotides, none of which are stop or starts codons, how many amino acids does this segment code for? As soon as Bobby heard that the math test was going to be worth 30% of his grade, he began studying. He studied in class. He studied on the bus ride home. He even tried to study while walking home from the bus but stopped after bumping into a lamppost. When he got home, he didn't watch any TV because he was studying so intensely. He completed the study guide that Mr. Morris gave him and then he completed one that he had made himself. Bobby refused to quit. He stayed awake all night finding and completing extra problems on the Internet. By the time the sun rose, Bobby had mastered the content. As he entered the classroom, he felt prepared. He sharpened his pencil, sat at his desk, put his head down, fell asleep, and failed his test. Which type of irony is used? A.Situational.B.Verbal.C.Dramatic. Which region receives the least amount of annual precipitation? Mountains and BasinsNorth Central PlainsGreat PlainsCoastal Plains. Can someone please help with this. After a train crashed, every single person died. Who survived? b) 7p + 6q- 2p + q = ? How do you use gene version in a sentence? solve for c solve for r