Find the area of the triangle. If necessary, round the answer to two decimal places.a = 12, b = 15, C = 52°
A. 70.92
B. 141.84
C. 88.80
D. 35.46
Answer: A
Mathematics
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Multiply.(-1.8)(-18.0)
A. 32.4 B. 19.8 C. -19.8 D. -16.2
Mathematics
Solve the problem.A brick staircase has a total of 17 steps The first step requires 117 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 2618 bricks B. 1266.5 bricks C. 2669 bricks D. 1309 bricks
Mathematics
Evaluate the integral.
a. 26.4
b. 31.4
c. 46.4
d. 36.4
e. 41.4
Mathematics
Solve the equation or inequality.
= 0
A. 
B. ?
C. 
D. 
Mathematics