KAT is painting the edge of a triangular stage prop with reflective orange paint. The length of the edges of the triangle are (3x -4) Feet (x the power of 2 - 1 ) feet. and 2x to the power of 2 - 15 ) feet. What perimeter of the triangle if x =4 ? Which anwser is it can you write problem out so i can see how its done. 16 feet 40 feet 76 feet 80 feet

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.