At the store 20 pencils cost $2.80, how much would 50 pencils cost?

Complete the square to write the conic section in the shape's standard form. 16x2 - 25y2 = 400

A student is saving money to buy a laptop computer. The student currently has $150 and plans to save $35 every month. Write a function that represents the amount y (in dollars) of money that the student saves after x months.

Write an expression with the five terms containing the coefficients 12 15 18 and 21

All of the following expressions simplify to - 5x + 7, except (4x + 3) + (-9x + 4) (x - 2) - (6x - 9) (5x + 1) - (-10x + 6) -4x + 2x + 7 - 3x

A buyer owes a supplier $820. The terms were 3/10, n/60. Within 10 days, the buyer sent in a payment of $140. How much is the new balance? (Round your answers to the nearest hundredth)

What is y when x is equal to 10 in 10x+y=19

Last year, Dan biked d miles. This year, he biked 411 miles. Using d, write an expression for the total number of miles he biked.

There are two options for purchasing tickets to baseball games. Single-game tickets cost $8 per game. Season tickets cost $195 plus $1.50 per game. Let g represent the number of baseball games. Let C represent the cost.

Using the piling method, which of the following can be constructed from polygons alone or discs alone? Check all that apply. A. Cone (not including the vertex) B. Pyramid (including the vertex) C. Cube D. Cone (including the vertex) E. Prism F.

Suppose a crew at an unloading dock can unload 3 trucks per hour and have already unloaded 17 trucks. Which equation can be used to model the number of trucks the crew unloads after h hours? A. y = 3h = 17 B. y = 3h + 17 C. y = 17h - 3 D.