Kevin and Randy Muise have a jar containing 76 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $12.20. How many of each type of coin do they have?

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

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

What is the product? a-3/15a × 5/a-3