Answer:
Step-by-step explanation:
and 
does not have any common factor except for
Answer:
Step-by-step explanation:
405÷180=2×180+45,45°
750=180×4+30,30°
-210+180=-30,30°
495÷180=2×180+135,180-135=45°
-660°+360=-300°+360=60,60°
480-360=120,180-120=60,60°
Answer:
length: 31
width: 12
Step-by-step explanation:
l=8+2w
p=2l+2w=88
(8+2w)+(8+2w)+w+w
16+6w=88
6w=72
w=12
l=8+2(12)
l=32
sorry if this was confusing
Answer:
9
Step-by-step explanation:
3/8=x/24 (cross multiplication)
3*24=8x (we don't need to multiply 3 with 24 bc we will divide both sides by 8 so it will be easier to find the final value)
x=9
9. -6xy+2xz
10. b(a-c-3d)
11. -3xy+xz-4xw
also i think that 8 is supposed to be a(10-13)
