Working as a team 8 mathletes can solve 20 problems in ten minutes. at this same rate how many mathletes are needed in order to solve 30 problems in 5 minutes

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0