What is a whole number that can go in 30 and not in 15

Simplify the expression 19m + 12+5 (3m-2).

Which expression uses the greatest common factor and the distributive property to rewrite the sum 42 + 72? 6 (7+12) 7 (6+9) 12 (3+6) 2 (40+70)

Six less than twice a number, x, is 39. what is the value of x

5. The value of y varies directly with x, and when y = 9, x = 3 1. Write an equation to represent the direct variation. . Find the value of y when x is a

Factor as the product of two binomials: x^2+11x+18=?

What is the solution to the system of equations? Use the substitution method. {y=-2x+5 {3x-4y=2 Enter your answer in the boxes.

Absolute value of - 1 + 3i

Round 64,569 to the thousands

Keenan received two cube shape packages in the mail. The first package measured half the side lengths of the first. What was the volume of the second package Keenan received?

Dan was 8 years old when his sister was born. Now the sum of their ages is 56. Write an equation to represent this problem. Let the sister's age be s.