A submarine starts at the surface of the water. The sub then goes down 100 feet. Over the next three hours, it goes down 150 feet per hour. After this time, what is the depth of the submarine?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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

Urgent? will give brainliest to the first correct answer what is the area of the figure?