Answer:

Explanation:
1.) Find a
Solve the given equation for a (change it to lool like a=...). Isolate the variable a to find its value. Subtract 2f² from both sides:

Divide both sides by d:

2.) Find B
Solve the equation for B (change it to look like B=...). Isolate the variable B to find its value. Simplify:

Multiply both sides by 3:

Divide both sides by H:

:Done