X+13=5 what is the coefficient of the unknown in the expression?

Three eighths the cast in a musical have to sing. What fraction of the cast does not have to sing?

1. y=x-1 x+y=3 2. y=4x-1 y=2x-5

What is the difference? 4/3 - 7/9 a. - 1/2 b. - 1/3 c. 5/9 d 11/12

If i was born on june 26 1944 how old would i be on march 5 1953

ABC is a right triangle. If AC = 12 and BC=13 find AB

What is the scale factor of a cube with a volume of 512m^3 to a cube with a volume of 3,375m^3 A. 8:15 B. 64:225 C. 15:8 D. 225:64

The volume of 10,000 drops of a liquid is 10 fluid ounces. What is the volume of 10 drops?

Write 5 numbers that are at least 8 digits in standard form

Solve the following equation: - 3x + 20 = 9x - 2x

If you add a constraint to an optimization model, and the previously optimal solution satisfies the new constraint, will this solution still be optimal with the new constraint added?