The price of an item has dropped to $63 today. Yesterday it was $140. Find the percentage decrease.

Add. Write your answer as a mixed number in simplest form. 2 9/10 + 3 9/10

Evaluate the expression - 4 (7-2x) where x = - 1

Miles has saved $40. He wants to buy a cell phone for $129 in about 4 months. To find out how much he should save each week, he wrote 40 + 16x = 129. Is his equation accurate? Why or Why not?

The product of 6 and a number increased by 4 is 28

Benji has 48 marbles. 1/4 of them are red and the rest are blue. What is the difference in the number of red and blue marbles he has?

Jovie Is maintaining a campfire. She has kept the fire steadily burning for 10 hours with 15 logs. She wants to know how many hours she could have kept the fire going with 9 logs. She assumes all logs are the same

What is the value of the dependent variable if the value of the independent variable is - 4? when the problem is f (x) = - 3x^2+5x

which of the following are necessary when proving that the opposite side of a parallelogram are congruent. check all that apply

What is the product of polynomials (2a - 7 + a2) and (5 - a) ?

Solve this equation: - 9h - 6 + 12h + 40 = 22.