lll 67 points a customer buys a cd for $15 and a video game. the customer pays a total of $42.80 for the two items, which includes 7% sales tax. which equation can be used to find x, the cost of the video game before tax? a). 0.7(15+x)=42.80 b).0.07(42.8-15)=x c).1.07(15+x)=42.80 d).1.08(42.8-15)=x

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth