Write an
explicit formula for
an, the nth term of the sequence 50, 10, 2,

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827