Find the requested angle.In a right angle triangle, the second angle is 25°. What is the measure of the third angle?
A. 25°
B. 155°
C. 65°
D. 115°
Answer: C
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Solve the problem.An airplane leaves an airport and flies due west 170 miles and then 250 miles in the direction 220°20'. Assuming the earth is flat, how far is the plane from the airport at this time (to the nearest mile)?
A. 395 mi B. 358 mi C. 385 mi D. 368 mi
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 3
+ 6
A. 9
B. 3
+ 6
C. 18
D. 9
Solve the problem.A living room is 19 feet wide. The carpeted portion of the room is 2x feet long and the adjacent tiled portion of the room is 7y feet long. Use the distributive property to find an expression for the total area of the living room.
A. 171(x + y) square feet B. 38x + 7y square feet C. 21x + 26y square feet D. 38x + 133y square feet
Find the opposite of the polynomial.-5x7
A. -5x7 B. -5x-7 C. 7x-5 D. 5x7