Find the area of triangle ABC (see the figure) with the given information. Round to the nearest tenth. 
? = 34.5°b = 10.5 in.c = 4.3 in.
A. 10.8 sq in.
B. 20.6 sq in.
C. 18.6 sq in.
D. 12.8 sq in.
Answer: D
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A right triangle has legs a and b with hypotenuse c. Find the length of the missing side. Round the answer to three decimal places, if necessary.a = 4, b = 5
A. 6.403 B. 4.5 C. 6.903 D. 0
Solve the problem. Use ? = 3.14 when necessary.A spherical container has a 150 cm diameter. What is its volume? Round to the nearest cm3.
A. 14,130,000 cm3 B. 23,550 cm3 C. 1,766,250 cm3 D. 993,516 cm3
Eliminate the parameter to obtain an equation in x and y and describe the curve.x = t - 3, y = t2 + 5; -1 ? t ? 2
A. y = x2 - 14; portion of a parabola B. y = x2 - 6x - 14; portion of a parabola C. y = x2 + 14; portion of a parabola D. y = x2 + 6x + 14; portion of a parabola
Solve.c - 
= 0
A. - 
B. 2
C. 
D. - 2