At the beginning of the school year, each student's height was measured Ryans' height was measured 48.2 inches his friend Sara was 2.05 inches shorter than their friend Joel had measured 3 inches taller than Sara. what were the heights of Sara and Joel?

What is the measure of ac? 5 units 13 units 26 units 39 units

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

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