Mrs. Sullivan had 18 erasers at the end of the day. She remembered giving out 14 and getting back 11, then giving out 13 and getting back 14. How many erasers did she start with?

What is the surface area of a triangular prism if side a is 12 cm, side b is 3 cm, side c is 10 cm and the height is 8 cm?

What number to add to the equation to complete the square x^2+4x=0

What are three numbers greater than 20 that have 9 as a factor

What expression with exponents can be used to find the volume of a cube with 4in sides

It has been shown that the most effective gift shops are located 100 feet from the front entrance, give or take 15 feet. What is the range for the location of the gift shop?

Which is a factor of x2 + 8x - 48? O (X-6) O (x + 4) O (x-16) O (x + 12)

Which triangles are similar to triangle A

Which of the following are mathematical sentences? Check all that apply. A. 1 < 2 B. 3 + 2 = 5 C. 4-d = 8 D. 4-v E. 5g F. 6

A moving company charges a 75$ flat rate plus and additional $0.19 per mile driven. Which inequality correctly represents how far the company must drive to earn at least $100? Round to the nearest mile. A. x greater than or equal to 126 B.

If a smaller replica of the ferris wheel was constructed, what conclusions could you draw about the central angle of the original wheel and replica? what conclusions could you draw about the arc length of the original ferris wheel and replica?