8) What is the difference in volume between a 13 ft. cube and a 10 ft. cube? A. 1500 cubic ft.
B O 1197 cubic ft.
C. O 3 cubic ft.
D 1300 cubic ft.

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.

Asap! i'm not good math and i'm lost.

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000