Choose the equation that matches the graph.
A. 25x2 + 4y2 = 100
B. 4x2 - 25y2 = 100
C. 4y2 - 25x2 = 100
D. 25x2 - 4y2 = 100
Answer: D
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Solve.The pressure P (in pounds per square inch or psi) on a submerged body in wastewater is given by 
where D is the depth in feet. At what depth is the pressure 45.0 psi? (Round to the nearest tenth, if necessary.)
A. 58.3 ft B. 114.8 ft C. 62.9 ft D. 86.5 ft
Simplify the expression. Assume all variables represent positive real numbers.10
- 4x
A. 6x
B. 10
- 4x
C. 14
D. 6x
Decide whether or not the events are commutative.Putting an Easter ham or a loaf of bread into a small grocery sack first.
A. Yes B. No
Match the given function to its graph.1) y = sin src="https://sciemce.com/media/4/ppg__10626191900__f1q96g7.jpg" alt="" style="vertical-align: 0.0px;" height="200" width="200" />?
2) y = 
cos x3) y = 
sin x 4) y = cos
AB
?
CD
A. 1B, 2D, 3C, 4A
B. 1A, 2B, 3C, 4D
C. 1A, 2C, 3D, 4B
D. 1A, 2D, 3C, 4B