A roller coaster goes down. 40 feet and then up 40 feet what is this answer

Fast forward to the moment after the two outermost recursive calls complete, but before the final Merge step.

A balance diagram going from 1 to 9. There is one circle above 4, 5, 6, and 9. Brian has 5 marbles, Sarah has 9 marbles, Jimi has 4 marbles, and Juan has 6 marbles.

A triangular pyramid. The triangular base has a height of 8 units and base of 12 units. 2 sides have a base of 10 and height of 14. 1 side has a base of 12 and height of 13.6. Find the surface area of the pyramid.

Two automobiles going in opposite dirrections leave at the same time. One automobile travels 20 mph faster than the other. In 4 hours the automobiles are 600 miles apart. Find the speed of each. (Show work)

Initially a pool contains 340 gallons of water. A hose is placed in the pool, and the water is turned on. The hose adds 5.2 gallons of water per minute.

Danny's 7 friends contributed an equal amount of money to buy him a birthday present. The present cost $84. How much money did each friend contribute?

How much will a saver earn in 10 years on a $100 deposit that earns 5% compound interest (compound annually) ?

Distributive property: Example: 6 (2x - 3) = 12x - 18 "Combine like terms" means 3x + 4x = 7x. But we cannot add 3x + 4. Simplify, don't solve for x, just simplify, write it with only one x and no parenthesis: 2 (4x - 1) + 3x =

What is a number greater than 40 whose prime factorization contains 3 prie numbers that do not repeat

What is the constant rate of change of y=7-13x