If a certain number is increased by 5, one-half of the result is three fifths of the excess of 61 over the number. find the number

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.