A salesperson at a jewelry store earns 3 % commission each week. Last week, Heidi sold $ 640 worth of jewelry. How much did she make in commission? How much did the jewelry store make from her sales?

Amy is thinking of a number that is 2 times the value of jake's number. Amys number is also 2 more than 3 times the value of jake's number. What is amys number? Write and solve a system of equations to answer the question. A. 4 B. 2 C-2 D.-4

209 round to the nearest ten hundred

this figure is reflected across the x-axis, what is the orientation of the reflected figure?

Kaleb had 125 songs on his mp3 player. if he deleted 54 songs, what is the ratio of the songs kept to songs he deleted

Solve by factoring. x2 - 49 = 0

12.5 - 4g = - 2g - 3.5

A "Local" train leaves a station and runs at an average rate of 35 mph. An hour and a half later an "Express" train leaves the station and travels at an average rate of 56 mph on a parallel track.

The length of a rectangular poster is 28 inches. The area is 1316 square inches. What is the width?

Six more than the quotient of a number and 9 equals 2

The fixed expenses are what percent of mary's income?