Answer:
Step-by-step explanation:
d.7/12
X=2
Y=4
Multiply top so y values cancel out, so multiple top by -3. Y values cancel out. You combine top and bottom equations, x=2. Plug 2 in first equation for x. Y=4
Answer:
A. The number is a perfect square because 18 x 18 = 324
Step-by-step explanation:
324 cannot be perfectly cubed.
Answer:
36
Step-by-step explanation:
largest share = 9parts = 108
1 part = 108÷9 = 12
smallest share = 3parts = 12×3 = 36
N is the amount of sides
sum=13 times 180 =2340