Expresión artística que se define como la acción de combinar el sonido con el tiempo

A radioactive substance decays to 30% of its original mass in 15 months. Determine the half-life of this radioactive substance to the nearest tenth. Show your work.please help Ken recorded the weights (in pounds) of 78 boxes. He created a box plot of his data. What is the interquartile range of Kens data? A) 8 B) 10C) 17 D) 48 50 PTS AND BRAINLIEST FOR CORRECT ANSWER In a standard deck of cards, what is the probability of drawing a face card followed by drawing a non-face card What is the rate of diffusion of NO gas to CO gas? Find the probability of rolling a 6 and spinning a consonant on a single roll of the cube anda single spin of the spinner. Use probability notation. State your result as a reduced fractionand as a percent. Nicole received a $15.00 gift card for a photo center. She used it to buy prints that cost 7 cents each. The remaining balance, B (in dollars), on the card after buying x prints is given by the following.What is the remaining balance on the card if Nicole bought 50 prints? Benjamin was a lanky kid. He was the tallest kid in the class, and he was not a big kid. His mom packed him a huge lunch in the hopes he would get some more muscle on his bony arms and legs.What does the word lanky suggest about Benjamin in the sentence above?A.He looked healthy.B.He looked like a kid.C.He looked like a twig.D.He looked smart. Need the answer ASAP!! 20 points HELLLLPPPPPPP PLEASEEEEEE BEGGGGI G SOMEONE PLEASEEEEEEEEE 3x 3 y 4 3x 3 y 3 Mole ratios used for conversions come from? Someone please help me If the child has a mass of 13.9 kg, calculate the magnitude of the force in newtons the mother exerts on the child under the following conditions. (b) The elevator accelerates upward at 0.898 m/s2. 148.702 N A distance of 400 km is represented in the map by 3 cm. What is the distance between two towns if they are 7.5 cm apart in the map? Please help me I really need this Signed in 1919, this was signed by Germany, placing total blame for the war on them and forcing them to pay massive reparations to the countriesaffected by WWI What is an effect of La Nia Find x.[tex] \frac{x}{x + 7} = \frac{16}{22} [/tex]The equals is for proportionate I couldn't find the symbol for it. the tissue which continually forms new cells in plants