A cup of tea costs $3 at a local cafe. Alan and his wife, Patty, have a coupon for $1 off their order. Alan says the expression 3t-1 represents the cost for t cups of tea. Patty says the expression 3t+(-1) represents the cost. Are their expressions equivalent? Explain.

One integer is 8 times another. if the product is 72, then find the integers

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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