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Math 105 Sp’08 Instr:Wong, D. Final Exam Part I - No calculator is allowed. Show all your work. No work! No credit! #1 Name:_________________________ 3 1 1 Simplify. 8 16 2 3pt. #2 Simplify. 1 3 4 7 2 1 7 5 9 5pt. #3 3pt. Write 3.28 as a mixed number. Simplify your answer. #4 Round 4258.1932 to the nearest 2pt. (a) tenth 2pt. (b) thousand ___________________ #5 4pt. Divide. 16.4 .024 ___________________ #6 3pt. Simplify. (1.2)(0.5) (2.3)2 #7 5pt. Simplify. 5 7 (8) 36 #8 3pt. Refer to the figure. 6 in. (a) write the area formula of a circle. (b) find the exact area of the circle. (Express the answer in ). (c) find the approximated area of the circle. Use 3.14 for . #9 3pt. 3m Refer to the figure. 5m (a) Identify the polygon as a square, rectangle, rhombus, or trapezoid. (b) Find the perimeter. (c) Find the area. Math 105 Sp’08 Instr:Wong, D. Final Exam Part II - The use of a calculator is allowed. Show all your work. No work! No credit! #10 5pt. Write the list of numbers in order from smallest to largest. 0.35 , 30% , #11 6pt. #12 6pt. Name:_________________________ 1/3 For the given proportion, find the unknown number n . 1.28 n 6 0.15 Find each unit price and decide which is the better buy. Crackers: $1.19 for 9 ounces $1.79 for 12 ounces #13 5pt. The ratio of a quarterback’s completed passes to attempted passes is 2 to 7. If he attempted 42 passes, find how many passes he completed. #14 4pt. 15% or 38.6 is what number? #15 5pt. 40% of what number is 50? #16 5pt. 18 is what percent of 48? #17 6pt. Find the angle measure of x, y, and z. #18 4pt. Find the angle measure of x. #19 6pt. Find the unknown length in the right triangle. Round the answer to the nearest thousandth. #20 5pt. Evaluate the expression when x = -3 and y = 4. 5x – y2 #21 4pt. Simplify the expression. Use the distributive property to remove parentheses first. -3(2x + 1) + 5x – 16 #22 2pt. Solve for x. x+5=8 #23 4pt. Solve for x. 3x – 8 = 10