Use the elimination method to solve the system.x - y = 2 8x =8y - 16
A. (0, 0)
B. (4, -2)
C. Infinitely many solutions
D. No solution
Answer: D
Mathematics
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Use Gauss's Divergence Theorem to calculate 
.F(x, y, z) = yzi + xzj + xyk, S is the hemisphere 0 ? z ? 
A. 
?
B. 
?
C. 1
D. 0
Mathematics
Provide an appropriate response.A roadway inclines 12.5°. How many feet of roadway must be paved if the hill is 20 ft high? Round to the nearest foot.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the slope of the line, if it is defined.Through (-5, -4) and (-5, -8)
A. 1 B. Undefined C. -4 D. 4
Mathematics
Solve the problem.The sum of the squares of the digits of a positive two-digit number is 20, and the tens digit is 2 more than the units digit. Find the number.
A. 24 B. 35 C. 53 D. 42
Mathematics