Solve the inequality.x2 - 9x + 20 > 0
A. x < 4 or x > 5
B. x < 4
C. 4 < x < 5
D. x > 5
Answer: A
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Reverse the order of integration and then evaluate the integral.
A. cos 7 B. - cos 7 C. 1 + cos 7 D. 1 - cos 7
Solve.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 584 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 310 km to 233 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.A person puts $29 into a bank account on January 1, $39 on February 1, $49 on March 1, and so forth. How much has the person put into the bank account by December 30?
A. $834 B. $1008 C. $1068 D. $2016
Find the exact value of the expression using the provided information.Find cos(A + B) given that cos A = - 
, with A in quadrant III, and 
with B in 
A. 
B. 
C. 
D. 