The sum of three numbers is 125. The first number is 7 less than the third. The second number is 4 times the third. What are the numbers?

In triangle ABC, the length of side AB is 20 inches and the length of side BC is 28 inches. Which of the following could be the length of side AC? A. 50 inches B. 38 inches C. 53 inches D. 6 inches

Evaluate for the given values of the variables. #17. 8 + 3n for n = 6 #18. (8 + 3) n for n = 6 #19. 90 - 4d for d = 3 #20. 7x + 2y for x = 15, y = 20 #21. sbt. for a = 2. b = 4 #22. 2 + 5x second power. for x = 4 #23. 2 + (5x) second power.

The radius of a sphere X is 3 inches, and radius of sphere Y is 9 inches. How many times larger is the volume of sphere Y compared to sphere X?

Does 65 - (45-20) equal (65-45) - 20? how do you know?

Is the sequence - 2,-2,-12,-17 arithmetic, geometric or neither?

Why is combing like terms useful

9 11 13 15 17 ... finding the nth term of a sequence

A pile of sand in the shape of a cone has a diameter of 8 in. and a height of 5 in. What is the volume of the cone? Use 3.14 for π. Enter your answer in the box as a decimal to the nearest cubic inch. in³

Aaron estimated that 148% of 333 is 495. Is his estimate reasonable? A. No, because his calculation should be 140% of 340. B. No, because his calculation should be 150% of 340. C. Yes, because his calculation should be 140% of 330. D.

Write the missing side lengths on each figure shown to the right