Evaluate the expression according to the order of operations.
2
A. 50
B. 20
C. 900
D. 100
Answer: D
Mathematics
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Solve the polynomial inequality and graph the solution set on a number line.2x2 + 3x - 9 ? 0
A. (-?, -3] ? 
B. 
C. [-3, ?)
D. 
Mathematics
Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -150 ft near a rock formation. In this area, the ocean floor has an elevation of -136 ft. The rock formation rises to a peak 107 ft above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 43 ft B. -14 ft C. 121 ft D. 29 ft
Mathematics
Subtract. Check by adding.
A. 147 B. 4147 C. 4123 D. 4143
Mathematics
Graph the function.f(x) = 2x + 3
A. 
B. 
C. 
D. 
Mathematics