Check Understanding 1. Your friend claims to have drawn a regular polygon with sides of length 8 centimeters and a perimeter of 52 centimeters. Use the formula n = g that you wrote in Task 1 to explain why your friend must have made a mistake. 2. The formula for the volume of a right circular cone is shown. Rewrite the formula so that it expresses the height h in terms of the volume V and base radius r. 3. Solve the literal equation (2(1):: + c} : d for Jr. State any necessary restrictions on the letters representing constants in the equation. Then use the solution of the literal equation to solve 3(2x + 1) : 4. 4. Alma is choosing a new smartphone and cellular service plan. Let p be the phone's price in dollars, in be the cost of the selected plan in dollars per month, and C be Alma's total cost in dollars after time I, measured in months of service. Write an equation that expresses C in terms of p, m, and t. Then solve your equation for t