Use the commutative property of addition to write an equivalent algebraic expression: 5(x+3).
a. 5x +3
b. 5(3+x)
c. (3 + 5) x
d. x + 3
b. 5(3+x)
Mathematics
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (2x + 3)x
A. x ln (2x + 3)
B. (2x + 3)x
C. (2x + 3)x
D. ln (2x + 3) + 
Mathematics
Solve the problem. Give the answer to the nearest thousandth if necessary.A boat travels 3 miles south and then 10 miles east. How far is the boat from its starting point? 
East --10 mi-->
A. 54.5 mi B. 5.22 mi C. 6.5 mi D. 10.44 mi
Mathematics
Find the unknown side, n, in the following pair of similar figures. Round your answer to one decimal place.
A) 32.5
B) 31.5
C) 26.5
D) 33.5
E) 34.5
Mathematics
Evaluate the function at the given value.f(x) = 2x + 8; f(6)
A. 4 B. 10 C. 60 D. 20
Mathematics