You invested $22,000 in two accounts paying 5% and 7% annual interest, respectively. If the total interest earned for the year was $1280, how much was invested at each rate?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x

Find the solution to this system 2,1 1,-2 1,2 -1,2