Solve the problem.If m?y = 109° in the following figure, find the measures of ?w, ?x, and ?z. 
A. m?w = 109°, m?x = m?z = 71°
B. m?w = -19°, m?x = m?z = 71°
C. m?w = 71°, m?x = m?z = 109°
D. m?w = 109°, m?x = m?z = -19°
Answer: A
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Graph the horizontal or vertical line.x = -5
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Solve the problem.A pick-up truck is fitted with new tires which have a diameter of 43 inches. How fast will the pick-up truck be moving when the wheels are rotating at 345 revolutions per minute? Express the answer in miles per hour rounded to the nearest whole number.
A. 44 mph B. 22 mph C. 7 mph D. 37 mph
Solve.A $110,000 trust is to be invested in bonds paying 9%, CDs paying 5%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $9330 annual income from the investments, how much should the bank invest in bonds?
A. $25,000 B. $28,000 C. $27,000 D. $55,000
Multiply and simplify.
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