Mark is painting a mural. he paints 1/5 wall in 2/3 hour. what is his rate per hour?
a: 3/10 wall per hour
b: 3/8 per hour
c: 2/5 per wall
d: 2/15 per wall
someone me

The system of equations graphed below has how many solutions? y = 2x + 2

The measure of an angle is 117°. what is the measure of a supplementary angle?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer