Remove the parentheses from the expression.
A. a - b + c
B. a + b - c
C. a - b - c
D. -a - b + c
E. a + b + c
Answer: B
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA fan in the bleachers at Wrigley Field throws an opposing player's home run baseball back onto the playing field. Assume that the fan is 30 feet above the field and that the ball is launched at an angle of 27°. When will the ball hit the ground if its initial speed is 22 ft/sec? Round your answer to the nearest tenth.
A. 3.7 sec B. 1.1 sec C. 2.0 sec D. 1.7 sec
Multiply.-8x5(8x5 - 6x4 - 5)
A. -64x10 + 48x9 - 5 B. -64x10 + 48x9 + 40x5 C. -64x10 - 6x4 - 5 D. -64x5 + 48x4 + 40
Solve the problem.The formula for converting Fahrenheit temperature, F, to Celsius temperature, C, is 
If Celsius temperature ranges from -15° to 45°, inclusive, what is the range for the Fahrenheit temperature?
A. [-19°F, -13°F] B. [5°F, 113°F] C. (5°F, 113°F) D. (-19°F, -13°F)
Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.B ? C
A. {0} B. ? C. { -3, -1, 2, 5, 7, 9} D. {-3, -1, 2, 4, 5, 7, 9}