A bike that is regularly priced at $159 has a 25% discount. How much is the discount? $39.75 $89.50 $119.25 $124.25

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?