Use a proportion to solve the problem.If a spring stretches 2 meters when a 6-kilogram weight is attached to it, how much will it stretch when a 30-kilogram weight is attached to it?
A. 10 meters
B. 9 meters
C. 12 meters
D. 13 meters
Answer: A
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P(N = 7); N is Poisson (3.4).
Find the probability for the given random variable.
Use a graphing utility to solve the system of equations. Express the solution rounded to two decimal places.
A. x = -4.76, y = 1.52; x = -0.01, y = 5.00 or (-4.76, 1.52), (-0.01, 5.00) B. x = 4.76, y = -1.52; x = 0.01, y = 5.00 or (4.76, -1.52), (0.01, 5.00) C. x = 5.12, y = 3.67; x = -0.76, y = 2.05 or (5.12, 3.67), (-0.76, 2.05) D. x = 5.12, y = -3.67; x = 0.76, y = 2.05 or (5.12, -3.67), (0.76, 2.05)
Solve. Write the answer as a mixed number in simplest form.A wall in Alex and Carla Dinu's garden is to be built using brick that is 2
inches wide and a mortar joint that is 
inch wide. Use the diagram to find the height of the wall.
A. 13
in.
B. 14
in.
C. 14
in.
D. 13
in.
Simplify the expression. First use the distributive property to remove any parentheses.6m + 2n - 8m + 9(m - 10n)
A. 23m + 92n B. 7m - 88n C. -11m + 92n D. 7m - 8n