Write an expression for 8 increased by g

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

Consider circle c with angle acb measuring 3/4 radians. if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

What ia the sum if the first 7 terms of the geometric series