Marcus earns $9 per hour and $6 for each delivery he makes he wants to earn more than $155 in an 8-hour workday what is the least number of deliveries he must make to reach his goal?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

If f(x) = 5х – 2 and g(x) = 2х + 1, find (f – g)(x).