Decide whether the statement is true or false.There is more than one fraction equivalent to 0.
A. True
B. False
Answer: A
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Evaluate the integral.
dt
A. -cos 
+ C
B. - 
cos 
+ C
C. 
cos 
+ C
D. 5 cos 
+ C
Solve the problem.A chemical solution contains 7% sodium. How much sodium is in 
of solution?
A. 28.571 mL
B. 2.857 mL
C. 1.4 mL
D.
| 0.14 mL |
Solve the problem. Round your answer to the nearest tenth, if necessary.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 8 hr; Ron: 10 hr B. Paul: 10 hr; Ron: 12 hr C. Paul: 8.3 hr; Ron: 10.3 hr D. Paul: 9.1 hr; Ron: 11.1 hr
Find the standard form of the equation of the ellipse and give the location of its foci.
A. 
+ 
= 1
foci at (-7, 0) and (7, 0)
B. 
- 
= 1
foci at (- 2
, 0) and (2
, 0)
C. 
+ 
= 1
foci at (-2
, 0) and (2
, 0)
D. 
+ 
= 1
foci at (-2
, 0) and (2
, 0)