Polynomial function of lowest degree with rational coefficients that has the given numbers as its same zeros -5i, 4

Multiply. write your answer in simplest form. 3/8 x 5/7

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?