Solve the problem.A $310 fax machine is on sale for 10% off. Find the discount.
A. $3.10
B. $279.00
C. $306.90
D. $31.00
Answer: D
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Find Y and é in the parallel circuit below if BC = 400 æS and G = 250 æS.
a. é = 60ø, Y = 500 æS
b. é = 30ø, Y = 289 æS
c. é = 60ø, Y = 800 æS
d. é = 30ø, Y = 800 æS
e. é = 58ø, Y = 472 æS
Solve the problem.A grasshopper is perched on a reed 5 inches above the ground. It hops off the reed and lands on the ground about 7.9 inches away. During its hop, its height is given by the equation 
, where x is the distance in inches from the base of the reed, and h is in inches. How far was the grasshopper from the base of the reed when it was 3.25 inches above the ground? Round to the nearest tenth.
A. 0.9 in. B. 7.9 in. C. 6.7 in. D. 1.3 in.
Express the product as a sum or difference.cos 4x cos 8x
A. 
(cos 12x - sin 4x)
B. 
(cos 4x + cos 12x)
C. cos2 20x2
D. 
(cos 12x - cos 4x)
Solve the compound inequality.
< 2 or 
? 9
A. x ? 
B. x < - 
or x ? 
C. - 
< x ? 
D. x < - 