Use a sum or difference identity to find the exact value.sin 
cos 
+ cos 
sin 
A. 1
B. 
C. 
D. 
Answer: B
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Solve the problem.What will it cost to buy ceiling molding to go around a rectangular room with length 11 ft. and width 
The molding costs $2 per linear foot.
A. $44 B. $84 C. $42 D. $40
Translate into an equation, then solve.A weatherman reports that since 6:00 am this morning the temperature has dropped by 
to the current temperature of 
What was the temperature at 6:00 am ?
A. x - 14 = 31; The temperature at 6:00 am was 17° F. B. x - 14 = 31; The temperature at 6:00 am was 45° F. C. x + 14 = 31; The temperature at 6:00 am was 45° F. D. x + 14 = 31; The temperature at 6:00 am was 17° F.
Go through the Babylonian algorithm two times to approximate the given square root. Give four decimal places in your answer.
A. 4.3581 B. 4.3597 C. 4.3315 D. 4.3589
Find the slope and y-intercept of the line.17x + 7y = 10
A. slope = 
; y-intercept = - 
B. slope = 17; y-intercept = 10
C. slope = 
; y-intercept = 
D. slope = - 
; y-intercept = 