Multiply.(3 - 
)(5 - 
)
A. 15 - 7x
B. 15 - 7
C. 15 - 8
+ x
D. 15 - 8
- x
Answer: C
Mathematics
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Solve the problem.Solve the formula a + b = s + r for r.
A. r = a + b - s
B. r = s(a + b)
C. r = 
+ b
D. r = 
Mathematics
Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 1.6 pretzels B. 490 pretzels C. 400 pretzels D. 800 pretzels
Mathematics
Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.3loga q - 
loga r + 
loga f - 5loga p
A. loga (3q - 
r + 
f - 5p)
B. loga 
C. loga 
D. loga 
Mathematics
Find the sum.
- 
+ 
- . . .
A. 
B. - 
C. 
D. Does not exist
Mathematics