Evaluate.-1.5(2.3 - x) for x = 3.7
A. 2.1
B. -7.15
C. -2.1
D. 7.15
Answer: A
Mathematics
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Divide and simplify.
A. 27r5 - 45r3 B. 3r6 - 5r4 C. 3r7 - 5r5 D. 3r5 - 5r3
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Simplify.(0.9x - 0.5)2
A. 0.81x2 + 0.25 B. 0.81x2 + 0.90x + 0.25 C. 0.81x2 - 0.90x + 0.25 D. 0.81x2 + 0.90x - 0.25
Mathematics
Solve the problem.Surveyors use the "link" as a unit of measure. To convert links to inches, multiply the number of links by 7.92. Create a function, f(x), that converts x links to inches.
A. f(x) = x + 7.92
B. f(x) = 
C. f(x) = 
D. f(x) = 7.92x
Mathematics
Solve the problem.A twin-engined aircraft can fly 960 miles from city A to city B in 4 hours with the wind and make the return trip in 6 hours against the wind. What is the speed of the wind?
A. 80 mph B. 20 mph C. 40 mph D. 60 mph
Mathematics