How do i do this problem

8 12/21 + 25 5/8 + - 31 3/14

The total cost C for p pounds of metamorphic rock if each pound costs $4.54 write a function rule and represent the situation

Convert - 125 degrees to radians

John's parents recorded his height at various ages between 36 and 66 months. Below is the equation of the least-squares regression line of John's height (inches) on age (months) based on John's records.

There were 6 girls and 18 boys in Mrs. Johnson's math class. Write a ratio of the # of girls to the # of boys in fraction form. Then write the fraction as a repeating decimal.

Every ninth person in line at a movie theater gets free popcorn. Every sixth person gets free apple juice. Shani says that the thirty-sixth customer to get both free popcorn and free apple juice. Is she right? If not, describe her mistake.

Match the type of loan to its correct purpose. 1. a loan used to pay for educational expenses, such as college tuition, books, and housing small-business loan 2. a loan used to purchase a new or used car student loan 3.

An item sells for 2 for 66 cents. What would 5 items sell for?

What is true about the completly simplified difference of the polynomials 6x^6-x^3y^4-5xy^5 and 4x^5y+2x^3y^4+5xy^5 •the difference has 3 terms and a degree of 6 •the difference has 4 terms and a degree of 6 •the difference has 3 terms and a degree

Six sandwiches are being divided evenly by 4 friends. how many sandwiches will each friend get.

If lines are parallel, their intersection forms a right angle. TRUE FALSE