Evaluate ab for a = 2 3/4 and b = 4/5

Determine the exact circumference of a circle with diameter 28 units. A. 7π units B. 28π units C. 14π units D. 56π units

Martin worked in the yard for five hours and was paid $6.00 per hour. Then he was paid $5.00 for washing the car. Altogether, how much money did he earn. What pattern did you use to get this answer

I made 2 calls and was on the phone for a total of 46 minutes. One call was 10 mins. longer than the other. How long was each call?

Carlos has 58 pencils what is the value of the digit 5 in this number

The accompanying data table lists measured voltage amounts supplied directly to a familys home. the power supply company states that it has a target power supply of 120 volts.

129 is 43% of what amount?

In a class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probability of randomly choosing a student who is not taking science? 69% 44% 51% 49%

Does a parallelogram have to have an acute angle

The owner of an audio store recived a shipment of portable stereos at a cost of $102.30 each. If he sells the stereos for 181.99 each, what is the percent of markup? Round to the nearest whole percent

A pair of boots has an original price of $95. They are on sale for 35 percent off. What number can you multiply $95 by to equal the discounted price of $61.75?