Find the reference angle for ?. ? = -169°
A. 11°
B. 259°
C. -79°
D. -11°
Answer: A
Mathematics
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Solve the problem.A ball is thrown straight up into the air with an initial velocity of 146 feet per second and an initial height of 2 feet. What is the velocity of the ball after 1 second(s)?
A. 114 ft/s B. 125 ft/s C. 124 ft/s D. 115 ft/s
Mathematics
Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.
x - 
y = -18
x + 
y = -9
A. {(0, 12)} B. {(0, -12)} C. {(-12, 0)} D. {(12, 0)}
Mathematics
Divide and simplify. Assume that all expressions under radicals represent positive numbers.
A. 2
B. 6
C. 2
D. 
Mathematics
Find all solutions to the following equation.
 figure 1.png)
Mathematics