What could make a helicopter work in a vacuum

Two angles are complimentary. The larger angle is 3 degrees less than twice the measure of the smaller angle. Find the measure of each angles.

How many liters of gasoline are needed to fill a 13.2-gallon tank

1. Which number sentence shows the commutative property of addition? 9 + 3 = 12 9 + 3 = 3 + 9 3 + (9 + 1) = (3 + 9) + 1 3 * 9 = 27 2. Use the commutative property of multiplication to identify which expression is equivalent to 6 (2) (x).

P=300 r=7% t=2 what is i

Deshaun's gas tank is 1/3 full. After he buys 3 gallons of gas, it is 1/2 full. How many gallons can Deshaun's tank hold?

If x = 10, which lines are parallel? Check all that apply.

Area & perimeter of L shapes

A manufacturing firm wants to package its product in a cylindrical container 2ft. high with surface area 6ft^2. What should the radius of the circular top and bottom be?

What is the input value for an output value of - 4 for the function g (x) = 28/x-7

The sum of five different positive integers is 320. The sum of the greatest three integers in this set is 283. The sum of the greatest and least integers is 119.