Chapter 49, Problem 10AR

In Exercises 9 and 10, solve for the unknown in each of the equations using one of the six principles of equality. Check each answer. Round the answers to 3 decimal places where necessary.

a. $\frac{x}{-0.8}=8.48$
b. $6.75=-20.25x$
c. $\frac{3}{4}x=2\frac{1}{4}$
d. $S^2=81$
e. $x^3=\frac{-8}{27}$
f. $\sqrt{M}=12.892$
g. $\sqrt[3]{V=5.873}$
h. $-0.0284=y^3$
i. $\sqrt[3]{B}=\frac{3.866}{4.023}$