Use the distributive property to rewrite the expression. Simplify if possible.-9(3x) - 9(9y)
A. -9(3x + 9y)
B. -9x(3 + 9) = -108x
C. -27x - 81y
D. -18(3x + 9y)
Answer: A
Mathematics
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = sin yi + xzj + 4zk ; D: the thick sphere 1 ? x2 + y2 + z2 ? 4
A. 
?
B. 112?
C. 32?
D. 
?
Mathematics
Solve the equation.
= 10y
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the line that satisfies the conditions. Write the equation in standard form.Through 
; vertical
A. x = 
B. x = 
C. y = 
D. y = 
Mathematics
Solve.Angie is wrapping a present for her nephew. She has a roll of wrapping paper that has 13 feet of wrapping paper on the roll. She uses 
feet to wrap the present. How many feet of wrapping paper are left on the roll?
A. 10
feet
B. 10
feet
C. 12
feet
D. 9
feet
Mathematics