Graph the level curves in the first octant at heights of 
and 
for the given equation.5x + 3y + z = 30 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the Pythagorean Theorem to find the exact length of the missing side. Then approximate the length to the nearest thousandth.
A. 
= 64.001
B. 
? 2.000
C. 
? 11.314
D. 
? 22.804
Mathematics
Find the area of the shaded region.
A. 230 square meters B. 96 square meters C. 200 square meters D. 220 square meters
Mathematics
Solve the problem.Suppose 
is a mathematical model for actual time as a function of estimated time, where f(x) represents actual time (in minutes), x represents estimated time (in minutes), and m and b are constants. If 
and b = -3.2, find f(x) when x is 30 minutes.
A. 29.8 min B. 33.52 min C. 36.2 min D. 26.48 min
Mathematics
Find the product.(x + 2y)3
A. 3(x + 2y) B. x3 + 2x2y + 4xy + 4xy2 + 8y2 + 8y3 C. x3 + 6x2y + 12xy2 + 8y3 D. x3 + 8y3
Mathematics