Which properties were used to prove that the expressions 7x+4-X-2 and 6x+2 are equivalent? 7X+4-x-2
7X-X+4-2
(7-1)x+4-2
6x+ 2

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7