Evaluate the following expression.
?
(1 + sin 5y)(1 + sin (- 5y))
?
A. sin25y
B. cos22y
C. - sin25y
D. - cos25y
E. cos25y
Answer: E
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The temperature 
, in degrees Fahrenheit, is a linear function of the number 
of cricket chirps per minute. Now 22 cricket chirps per minute corresponds to a temperature of 43 degrees. Each additional chirp per minute corresponds to an increase of 0.27 degree.
?
A: Find a formula that gives 
as a linear function of 
.
?
B: What temperature is indicated by 102 cricket chirps per hour?
?
C: How many cricket chirps per minute would give a temperature of 62.17 degrees?
What will be an ideal response?
Solve.Find the first-quadrant area bounded by 
and 
A. 0.125 B. 0.240 C. 0.461 D. 0.115
Find the length of the missing side in the right triangle.
A. 40 B. 70 C. 60 D. 30
Solve.(x + 3)2 = 11
A. ±3
B. -3 + 
C. -3 ± 
D. ±