Express the sum in sigma notation.7 + 8 + 9 + 10 + 11 + 12
A. 
B. 
+ 7
C. 
k
D. 
Answer: A
Mathematics
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Find the slope of the line.Through (6, 8) and (4, 3)
A. 
B. 
C. 
D. - 
Mathematics
Solve the problem.Trina and Monica use a metal alloy that is 18% copper to make jewelry. How many ounces of a 13% alloy must be mixed with a 25% alloy to form 120 ounces of the desired alloy?
A. 72 oz B. 50 oz C. 55 oz D. 70 oz
Mathematics
Evaluate the surface integral of the function G over the surface S.G(x, y, z) = x2y2z2; S is the surface of the rectangular prism formed from the coordinate planes and the planes x = 2, y = 3, and z = 3
A. 324 B. 756 C. 2268 D. 36
Mathematics
Find the equation of the hyperbola satisfying the given conditions.Vertices: (0, ±4); asymptotes y = ± 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics