1. Remove grouping symbols and simplify. 4{2x - 4[x - 3( + 5)1? 2. Evaluate the expression for the value given. X^2-5x + 8; X=-4 3. Evaluate the following expression for the value given. (-2y)^4;y=-3 (-2y)^4= 4. Evaluate the following expression for the value given. - 7x^4; x=- 3 The expression - 7x^4 evaluated when x= - 3 is 5. Find the Fahrenheit temperature when the Celsius temperature is - 20. Use the formula F=9/5 C+ 32 F= 6. Find the Celsius temperature if the Fahrenheit temperature is 158F. Celsius temperature = 7. A child is swinging on a rope 80 feet long over a river swimming hole. How long does it take (in seconds) to complete one swing back and forth? 8. Use the simple interest formula A = p(1 + rt) to find the amount of principal plus interest to be repaid on a loan of $11,000 at a simple interest rate of 8% for 11 years 9. For the following problem, use the fact that the distance S in feet an object falls in t seconds where g = 32 feet per second? Find S if t = 7 seconds. 10. The approximate number of milligrams m of medicine that should be given a child of age c when the usual adult dosage is x milligrams can be obtained from the following equation. M=cx/c+12 Find the amount of medicine to give a child of age 9 if the usual adult dosage is 200 milligrams