Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of -30 feet. They then rose 10 feet. What was their elevation at this point?
A. -40 ft
B. 20 ft
C. -20 ft
D. 40 ft
Answer: C
Mathematics
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Graph the exponential function and state the domain and range.y = 4x
A. Domain: (0, ?), Range: (0, ?) 
B. Domain: (-?, 0), Range: (-?, 0)
C. Domain: (-?, ?), Range: (0, ?)
D. Domain: (-?, ?), Range: (-?, 0) 
Mathematics
Perform the indicated operation or operations.
A. - 
B. 
C. - 
D. - 
Mathematics
Find the measure of the requested angle.In an equilateral triangle, what is the measure of each angle.
A. 90° B. 30° C. 45° D. 60°
Mathematics
Solve. Round results to the nearest thousandth.5x2 - 5x = -1
A. -0.276, -0.724 B. 1.171, -0.171 C. 0.724, 0.276 D. 1.448, 0.552
Mathematics