The function h (t) = -16t2 + 30t + 4 gives the height h, in feet, of the baseball as a function of time t, in seconds, after it is hit. How long does it take for the baseball to hit the ground?

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

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