The function h(t)=16t^2+28+500 represents the height of a rock t seconds after it is propelled by a slingshot. what does h(3.2) represent ?

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

Which of the following contains a variable?

Which of the following represents the length of a diagonal of this trapezoid?