Bobby has 3 times as many spaceships as his friend. Bobby has 21 spaceships. How many spaceships does his friend have?

Which graph represents the inequality - 2x+7y<112

What is 7.13*10 to the fifth power in standard form

Solve the equation. x - 9 = - 6x 5 a. 14 b. 7 c. 2 d. 21

Owen plots the numbers 4,?6,?8, and?3 on a horizontal number line. Which list shows the numbers in the order in which they would appear from left to right on the number line? ?8,?6,?3, 4 ?3,?6,?8, 4 ?3, 4,?6,?8 ?8,?6, 4,?3

What is the value of 5 in the number 124.519 write your answer as a fraction

To study the mean blood pressure of all people in her state, Christine samples the population by dividing the residents by towns and randomly selecting 9 of the towns. She then collects data from all the residents in the selected towns.

What are all the values that make x^2 + bx + 144 a perfect square?

Write the fraction in decimal notation 3 1/100

A cylinder has a radius of 6 inches and is 15 inches tall. What is the volume of the cylinder? Express the answer in terms of x

A student simplified the expression 6^2/36^2 as 1/3. Do you agree with this student? Explain why or why not