Mandy has $20,000 in a savings account that earns 15% annually. The interest is not compounded. How much will she have in 3 months?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.