Simplify the expression by multiplying. 7(-8ab)
A. -56ab
B. 1ab
C. -1ab
D. 56ab
Answer: A
Mathematics
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Two cities in the western hemisphere lie approximately on the same meridian. City A has latitude of 15.5° N and City B, 60.5° N. Find the distance between these two cities. (The radius of the earth is 3960 miles.)
(a) 3,960 miles (b) 3,110 miles (c) 3,250 miles (d) 2,110 miles (e) 5,280 miles
Mathematics
Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. ln x + 
ln(x3 + 8) - 
ln(x + 8)
C. 
+ 
- 
D. 
Mathematics
Round the whole number to the given place value.26,690 to the nearest thousand
A. 26,000 B. 30,000 C. 27,000 D. 26,700
Mathematics
Place the correct symbol, < or >, in the blank between the integers.0 
-237
A. > B. <
Mathematics