Ecarlos rented a truck for one day. there was a base fee of $ 20.99 , and there was an additional charge of 88 cents for each mile driven. carlos had to pay $ 251.55 when he returned the truck. for how many miles did he drive the truck?

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)