21/4 ÷ 14/9
21/4 × 9/14
189/56
3/3/8
Answer:
Step-by-step explanation:
So 1cm rep = 24 ÷ 2 = 12
So 3cm rep = 12 x 3 = 36
Answer:
x = 19
Step-by-step explanation:
(5x+4)+(x-2)+(3x+7) = 180
5x+4+x-2+3x+7 = 180
9x+9 = 180
9x = 171
x = 171/9
x = 19
Answer:
A, B, E
Step-by-step explanation:
I'm not too sure about B, but A and E are definitely true
X+6=11
X-11=-6
5x=25
2x=10
2x+15=25