Find The Product. Simplify if necessary. 1)-3(-12)
2) 5/8(-2/8
3)-8(12)
4) 8(12)
5) 7(-9)
6)5X4.1

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a. r'(–3, 1),  s'(–3, 5)b. r'(–1, 3),  s'(–5, 3)c. r'(1, 3),  s'(5, 3)d. r'(5, 3),  s'(1, 3)

How do you solving the solution of each system using elimination?

Asap! i'm not good math and i'm lost.