Some friends decide to go to the aquarium together. each person pays $7.50 to get in. they spend a total of $40 for the shark exhibit. the total cost is $70.solve 7.5x+40=70 to find how many people went to the aquarium.

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)