Solve the problem.The width of a rectangle is 6 kilometers less than twice its length. If its area is 176 square kilometers, find the dimensions of the rectangle.
A. length = 8 km, width = 10 km
B. length = 11 km, width = 16 km
C. length = 3 km, width = 
km
D. width = 11 km, length = 16 km
Answer: B
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Find the area of the shaded region. (Assume that given measurements are exact, and round approximate answers to the nearest tenth of a square unit, if required.)
?
, 
?
__________ ft2.
Fill in the blank(s) with the appropriate word(s).
Solve the system of equations.-x + 2y= -7x- z= 0y + z= -2
A. No solution B. (3, -2, 3) C. (2, -4, 2) D. (1, -3, 1)
Write with positive exponents only.
A. x(df - rt)y(ef - st) B. (xy)(def - rst) C. x(df + rt)y(ef + st) D. x(d - r)y(e - s)
Rewrite using exponential notation. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.
A. 41/17
B. 
C. 171/4
D. -171/4