Nine pounds of sweet potatoes cost the same as 6 pounds of apples. one pound of sweet potatoes costs twice as much as a pound of onions, while a pound of apples costs 24 cents more than a pound of apples. find the cost of each

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

3x + 4y = 5 x- 3y = -7 solve by substitution

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.