Perform the operation. Write the answer as a fraction in lowest terms.
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the average value of the function f over the given region.f(x, y) = ex2 over the region bounded by 
, 
, 
, and 
.
A. 
B. 
C. e - 1
D. 2e - 1
Mathematics
Solve the equation.5z + 18 = 4z + 2
A. 20 B. -20 C. -16 D. 16
Mathematics
Express the expanded form as a Hindu-Arabic numeral.(9 × 101) + (5 × 1)
A. 45
B. 95
C. 14
D.
| 140? |
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.y? x2x + y> 6
A. 
B. 
C. 
D. 
Mathematics