The equation P = 2/ + 2w can be used to find the perimeter of a rectangle. A rectangular shaped playground is enclosed by a fence that is 500 m. The length of the playground is a. 190 m 120 m. Use the equation to determine the width of the playground. b. 260 m C. 180 m of beer a. 5 cm 17. If the area of a triangle is 15 cm' and the height is 6 cm, what is the base? d. 130 m C. 2 cm b. 6 cm d. 30 cm - she have? 18. Libby has $1.85 in quarters and dimes. She has 11 coins in all. How many of each does a. 5 dimes, 6 quarters b. 6 dimes, 5 quarters 2 dimes, 9 quarters d. 4 dimes, 7 quarters _19. The school store charges $10 per spirit shirt. The store paid the supplier $3 per shirt plus a one-time set up fee of $25. Write a system of equations that represents this situation. a. y = 10x C. y = 10x y = 3x + 25 y = 3x b. y = 10 d. y = 7x + 25 y = 3x +25 y = 5x 20. A-1 Plumbing charges $75 plus $50/h. Plumbing Masters charges $100 plus $25/h. At what onion point is the charge the same for the two companies? a. 2h C. - h (Teeb. 1h d. 3h Thinking/Inquiry - 1 mark each 21. Which function will not have an x-intercept? a. y = x c. y = 5 b. y = -2x d. x = 2 22. If you multiply a number x by n and then add m the result is p. What is the first inverse operation you should perform to solve this equation for x? a. multiply by m c. add m b. divide by m d. subtract m 23. Consider the relation x + 2y = 6. Which of the following relations will intersect this relation (2, 2)? a. 6x + y = 2 C. X+ y = 4 b. 2x + y = 4 d. x+ y=224. Which inverse operation should be applied first to solve 3x + 5 = 10? a. addition c. division b. subtraction d. multiplication 25. Leo is solving the equation x+5= =x+ 2. Explain the mathematical operation he used to get from the original equation to 12( x) + 12(5) = 12(5 x) + 12(2). a. Add 12 to each side. b. Multiply all terms by the least common denominator. c. Divide each side by 12. d. Simplify. 26. Consider the equation V = /wh. What inverse operation would you use to solve for w? a. addition c. multiplication b. subtraction d. division