Find the common difference of the arithmetic sequence -7, -3.5, 0, 3.5

Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Aladder that is 20 ft. long against the side of a building. f the angle formed between the ladder and the ground is 75 degrees, how far is the bottom of the ladder from the base of the building?