Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.Four people share the use of a cable modem service that costs $49.95 a month.
Fill in the blank(s) with the appropriate word(s).
$50 ÷ 4 = $12.50
Mathematics
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Evaluate.Let a = 
. Find 9a.
A. 
B. 
C. 
D. 
Mathematics
Match the description with the correct symbolic expression.a linear function whose graph has a slope of 8
A. x = 8 B. y = 8x + 7 C. f(x) = -8x + 8 D. 8x - 6y = 7
Mathematics
Solve the equation.4x + 2 = 2x - 16
A. {9} B. {-8} C. {-9} D. {8}
Mathematics
Solve the problem.A man rode a bicycle for 12 mi and then hiked an additional 8 mi. The total time for the trip was 5 hr. If his rate when he was riding a bicycle was 10 mph faster than his rate walking, what was each rate?
A. Bike: 11.5 mph; hike: 1.5 mph B. Bike: 13 mph; hike: 3 mph C. Bike: 14.5 mph; hike: 4.5 mph D. Bike: 12 mph; hike: 2 mph
Mathematics