Use the distributive property to match equivalent expressions.
71-4-x)
-7(-4 + x)
7(4 + x)
28 - 7x
IN
-7(4 - x)
CO

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?