The campus chapter of Habitat for Humanity spent several Saturdays building a house for a low income family. The Alpha, Beta, and Gamma club members volunteered. On the first Saturday the Alpha Club members worked 4 hours each, the Beta Club members worked 6 hours each, and the Gamma Club members worked 8 hours each. The combined person-hours of the three clubs totaled 232 hours. On the second Saturday the Alpha Club members worked 6 hours each, the Beta Club members worked 8 hours each, and the Gamma Club members worked 10 hours each. The combined person-hours of the three clubs totaled 306 hours. On the third Saturday the Alpha Club members worked 8 hours each, the Beta Club members worked 9 hours each, and the Gamma Club members worked 5 hours each. The combined person-hours of the
three clubs totaled 263 hours. Each club had the same number of volunteers working each Saturday. Find the number of members each club had working.
What will be an ideal response?
Alpha Club-10 members, Beta Club-12 members, and the Gamma Club-15 members
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Simplify
Solve the problem.Mardi received an inheritance of $50,000. She invested part at 1.75% and deposited the remainder in tax-free bonds at 2%. Her total annual income from the investments was $925. Find the amount invested at 1.75%.
A. $30,000 B. $29,000 C. $49,075 D. $15,000
Solve the inequality.x2 + 7x ? -3x - 21
A. -3 ? x ? -7
B. x ? -3 or x ? -7
C. 3 ? x ? 7
D. x ? - 
or x ? 
Solve the problem.The blade of a windshield wiper sweeps out an angle of 135° in one cycle. The base of the blade is 12 inches from the pivot point and the tip is 32 inches from the pivot point. What area does the wiper cover in one cycle? (Round to the nearest 0.1 square inch.)
A. 1041.8 in2 B. 1036.7 in2 C. 1105.3 in2 D. 948.3 in2