PLEASE HELP DUE IN 29 MINS Which of the following is a rotational symmetry of a regular nonagon (9-sided
shape)?
120
140
1260
45

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Simplify the following expression 48^1/2