Find the unknown length in the right triangle. Simplify the answer if necessary.
A. 14
B. 3
C. 12
D. 6
Answer: C
Mathematics
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Solve.A plane flies 490 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 27 mph, what is the speed of the plane in still air?
A. 152 mph B. 167 mph C. 162 mph D. 187 mph
Mathematics
Find each product. Write the result in the form a + bi.(7 - 2i)(5 - 6i)
A. 23 + 52i B. 12i2 - 52i + 35 C. 23 - 52i D. 47 + 32i
Mathematics
Multiply.(x + 15)2
A. x2 + 225 B. x + 225 C. x2 + 30x + 225 D. 225x2 + 30x + 225
Mathematics
Express the percent as a decimal.100%
A. 1 B. 0.1 C. 100 D. 0.01
Mathematics