a manager purchesed a total of 21 coffee mugs and key chains. each coffee mug cost $8.50, and each key chain cost $2.75. if the manager spent a total of $132.50, how many coffee mugs did the manager purchase?

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

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

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be