Answer:
1/10
Step-by-step explanation:
350/10 = 350 * X
35 = 350 * X
35/350 = X
X = 1/10
1/216
x^(-3)y^(-3)
(2)^(-3)=1/2^3=1/8
(3)^(-3)=1/3^3=1/27
(1/8)(1/27)=1/216
3(x+3)=30
3x+9=30
3x=21
x=7
