Classify the angle as acute, right, obtuse, or straight.
A. Right
B. Acute
C. Straight
D. Obtuse
Answer: D
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The following table shows the depth D, in inches, of water in a pond after d days of evaporation. Find a linear model for depth as a function of days. Round your answers to two decimal places. Round your answer to two decimal places, if necessary. d 1 4 7 10 D 761 759 757 755?
A. 
B. 
C. 
D. 
Solve the problem.The charge q (in coulombs) delivered by a current i (in amperes) is given by 
where t is the time (in seconds). A damped-out periodic wave form has current given by 
Find a formula for the charge delivered over time t.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 8 cos ? - 4
A. 16(? + 3
)
B. 8(4? + 3
)
C. 
(4? - 3
)
D. 8(2? - 3
)
Use the vertex and intercepts to sketch the graph of the equation. Give the equation for the parabola's axis of symmetry.x = - 2y2 + 12y - 14
A. Axis of symmetry is x = 3.
B. Axis of symmetry is y = -3.
C. Axis of symmetry is x = -3.
D. Axis of symmetry is y = 3.