Solve the problem.A rectangular patio has dimensions 10 feet by 15 feet. The patio is surrounded by a border with a uniform width of 2 feet. Find the area of the border.
A. 186 ft2
B. 84 ft2
C. 114 ft2
D. 162 ft2
Answer: A
Mathematics
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Evaluate the definite integral.
A. 2
- 6
B. - 2
+ 6
C. 
- 3
D. 
- 
Mathematics
Solve (Round your answer to the nearest thousandth). The seven-day mean of settleable solids cannot exceed 0.15 milliliters per liter (mL/L). During the past seven days, the measurements of concentration have been 0.14, 0.11, 0.25, 0.19, 0.12, 0.12, and 0.16 mL/L. What was the mean concentration? Was it within the limit?
A. 0.158, no B. 0.156, no C. 0.144, yes D. 0.142, yes
Mathematics
Multiply.-4(-9)
A. -36 B. -32 C. 26 D. 36
Mathematics
Find the inflection points of the function 
.
?
A. 
B. 
C. 
D. There are no inflection points.
Mathematics