When adding integers with the same sign, you add and
keep the sign

change the sign

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.

Which of the following is the true for f(x) = 5cos

Find the area of a parallelogram with base 15 yards and height 21 2/3