A DJ charges $175 and $35 an hour, h, for parties. Which equation shows the total cost, C, for hiring the DJ? A. C = 175h + 35 B. C = 35h + 175 C. C = (175 + 35)h D. C = 175 + 35 + h

Nine more than four times a number is the same as one less than twice the number. find the number?

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?