What is the slope of (-7,3) and (3,8)

Which of the following is the shape of a cross section of the figure shown below

Rewrite so the subject can be y in the formula d=m-y/y+n

Convert the number to decimal form. 12) 312five a) 82 b) 30 c) 410 d) 1560 13) 156eight a) 880 b) 96 c) 164 d) 110 14) 6715eight a) 53,720 b) 3533 c) 117 d) 152