Determine the number of triangles with the given parts.a = 8, c = 5, ? = 18°
A. 0
B. 1
C. 2
D. 3
Answer: B
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Solve the problem. Round your answer to the nearest tenth, if necessary.A man rode a bicycle for 12 mi and then hiked an additional 8 mi. The total time for the trip was 5 hr. If his rate when he was riding a bicycle was 10 mph faster than his rate walking, what was each rate?
A. Bike: 13 mph; hike: 3 mph B. Bike: 12 mph; hike: 2 mph C. Bike: 14.5 mph; hike: 4.5 mph D. Bike: 11.5 mph; hike: 1.5 mph
Solve for the variable.10 + x = -8
A. -2 B. 2 C. -18 D. 18
Solve the application problem.The product of two positive consecutive integers is 19 more than their sum. Find the integers.
A. 5, 6 B. 4, 5 C. -4, -3 D. -6, -5
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 20x3 + ?x2 + 
A. Yes; degree 6 B. No; x2 has a non-integer coefficient C. Yes; degree 5 D. Yes; degree 3