ASAP !! The Sears Tower, at 1.451 feet, is one of the tallest structure in the
United States. A penny is thrown from the top of the tower. The
height, a, of the penny is recorded after each second, s, in the table.
Using the equation h = -16r2 + 351 + 1.457. find the approximate height
of the penny after 7 seconds.

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

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if