Question

Answer all of them which what number and letter or written answer text to it.

Answer 1

#4 the answer is 90° because it's a right angle,#3 is A because you have to follow P.E.M.D.A.S

Answer 2

2C
3A 
4C
5
 pencils to erasers- 16:17
pens to markers 9:6
markers to all items- 6:48
6  y=2x
7 450
8 26