Solve the problem.The width of a rectangle is 6 kilometers less than twice its length. If the area of the rectangle is 140 square kilometers, find the dimensions of the rectangle.
A. length = 10 km, width = 14 km
B. length = 3 km, width = 
km
C. width = 10 km, length = 14 km
D. length = 7 km, width = 8 km
Answer: A
Mathematics
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> 4
A. x < -5, -3 < x < 4, x > 4 B. x < -4, -4 < x < 3, x > 5 C. x < -4, -3 < x < 4, x > 5 D. x < -5, -4 < x < 3, x > 4
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Find an equation for the sphere with the given center and radius.Center (-3, 3, 0), radius = 1
A. x2 + y2 + z2 - 6x - 6y = -17 B. x2 + y2 + z2 + 6x + 6y = -17 C. x2 + y2 + z2 - 6x + 6y = -17 D. x2 + y2 + z2 + 6x - 6y = -17
Mathematics
Solve the inequalities
Mathematics
Solve the equation. Give an exact solution.log (x - 9) = 1 - log x
A. 10 B. -1, 10 C. -10, 1 D. -10
Mathematics