Some adults and children went to a movie. 12 people total went.
An adult ticket costs $8 and a child ticket costs $5.
They spent $72 total.
How many adults went and how many children?

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2