Geometry all info in pic. i've been absent. i don't get explain if you can. : )

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?