Provide an appropriate response.Explain, using a diagram, why 1 sq. ft equals 144 sq. in.
What will be an ideal response?
1 sq. ft = 12 in. × 12 in.
= 144 sq. in.
Diagram should show 12 columns and 12 rows of 1 in. squares.
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Find the average value of the function f over the given region.f(x, y) = 4x + 9y; R = {(x, y): 0 ? x ? 1, 0 ? y ? 1}
A. 
B. 
C. 13
D. 11
Find an equation for the line that passes through the given point and satisfies the given conditions.P = (-7, 5); perpendicular to v = -2i - 2j
A. -2x + 2y = 24
B. -2x - 2y = 8
C. y - 5 = - 
(x + 2)
D. -2x - 2y = 4
In the following exercise, assume straight-line appreciation. ? An antique table is expected to appreciate $40.00 each year. If the table will be worth $140.00 in 2 years, what will it be worth in 7 years? Round your answer to the nearest cent. ?
A. $420.00 B. $500.00 C. $792.20 D. $280.00 E. $340.00
A bacterial culture grows according to the formula 
. If it takes 9 days for the culture to triple in size, how long will it take to double in size? Round your answer to the nearest tenth of a day.
?
A. 6.4 days B. 6.1 days C. 6.9 days D. 5.7 days E. 5.4 days