The sum of 8 times a number and 9 equals 3.

Use the variable W for the unknown number

What is five plus fifthteen

1. Write your answer using only positive exponents. 20x/25x^-2

The standard diameter of a golf ball is 42.67 mm. A golf ball factory does quality control on the golf balls it manufactures. Golf balls are randomly measured to ensure the correct size. If the discrepancy in diameter is more than 0.

Reduce the fraction to lowest terms. Do not use spaces in your answer. In simplifying rational expressions x^3-x^2/x^4

Leroy uses 20 pounds of fertilizer to cover 4,000 square feet of his lawn and 50 pounds to cover 10,000 square feet. how much does he need to cover his entire yard which has an area of 26,400 square feet

What is the domain of f (x) = cos (x) ?

Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print and sells for $35. How many yearbooks must they sell before their business breaks even?

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

30% of what number is 10.2

Long division 19 divide 23.94