Simplify the expression by combining any like terms.5.2w - 1.4 - 3.8w + 4 + 2.6w
A. 4w + 2.6
B. 4w + 5.4
C. 11.6w + 2.6
D. 4w - 2.6
Answer: A
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Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Solve.Yvonne and Malena spent three weeks one summer traveling around to different national and state parks. They drove a total of 1254.54 miles and used 40.6 gallons of gas. How many miles per gallon did they get on the trip? Round to the nearest tenth of a gallon.
A. 30.9 miles per gallon B. 29.6 miles per gallon C. 32 miles per gallon D. 31.4 miles per gallon
A tank initially contains 60 gal of brine, in which 10 lb of salt is dissolved. Brine containing 2 lb of dissolved salt per gallon flows into the tank at the rate of 4 gal/min, and the well-stirred mixture flows out of the tank at the same rate. How much salt is present in the tank at the end of 10 min? ? Round the answer to the nearest tenth, if necessary. ? __________ lb
Fill in the blank(s) with the appropriate word(s).
Find the requested polynomial. Find a polynomial function of degree 3 with 1 + 4i, 1 - 4i, -1 as zeros.
A. f(x) = x3 - x2 + 17x + 17 B. f(x) = x3 - x2 + 17ix + 17i C. f(x) = x3 - x2 + 15x + 17 D. f(x) = x3 - x2 - 15x + 15