Solve the triangle. Round side lengths and angle measures to the nearest tenth when necessary. 
A. A ? 106°, B ? 55.7°, C ? 18.3°
B. A ? 112°, B ? 52.6°, C ? 15.4°
C. A ? 138°, B ? 32.6°, C ? 9.4°
D. A ? 120.4°, B ? 47.1°, C ? 12.5°
Answer: B
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Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.12z2 + 7z - 12
A. (3z - 4)(4z + 3) B. (12z + 4)(z - 3) C. prime D. (3z + 4)(4z - 3)
Find x and y to three significant digits using the formula 
(
in radians).
Radius, r
Angle, 
Distance, s
x cm
25 o
15 cm
y m
315 o
107 m
A. x = 13.751; y = 38.925 B. x = 34.377; y = 19.462 C. x = 34.377; y = 61.143 D. x = 108; y = 19.462 E. x = 34.377; y = 38.925
Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds B. 5 pounds C. 16 pounds D. 4 pounds
Solve. Write the answer as a mixed number in simplest form.A patient in rehabilitation walked on a treadmill 6
miles over 5 days. How many miles is this per day?
A. 31
mi
B. 1
mi
C. 6
mi
D. 1
mi