8x+4y=-20 and - 4x-8y=-20 solve each system by substitution

It took Khalid 90 minutes to complete 40 tasks what is the equivalent rate

4 is what percent of 75?

Three more than the quotient of a number and 4 is equal to 8

Danielle made 13 out of 18 free throw shots. About how many out of 7 free throw shots would you expect her to make?

What is the answer to - 4x - 40y - 80 = 0?

This scatter plot shows the time worked and tips by 11 restaurant servers dueing a weekend. Noting the trend in the scatter plot, which is the most reasonable approximation of a server's tip earnings for 24 hours of work dueing a similar weekend?

What is the most precise classification of the quadrilateral? F (-13, 7), I (1, 12), N (15, 7), E (1, - 5)

Since most stores will calculate the total price of your purchase why is it important to be able to calculate discounts

A box of marbles can be equally shared among 6,7,8 students with 4 marbles left over each time. What is the least possible number of marbles in the box?

What is 37 1/2% of 24,000