A. 3.75 x 10 =
B. 3.75 - 10 =
C. 2.5 - 10 =
D. 2.5 + 100 =
E. 8.75 + 10 =

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.