Solve.A calculator has a purchase price of $18. If the sales tax on this purchase is $1.53, find the sales tax rate.
A. 0.078%
B. 0.915%
C. 8.5%
D. 0.085%
Answer: C
Mathematics
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Answer the question.Consider the numbers 3, 
, -12, 0, 
, 
, 
. Which are real numbers but not integers?
A. -12, 
B. 
, -12, 
C. 
, 0,
D. 
Mathematics
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log30 10 + log30 3
A. 10 B. 3 C. 30 D. 1
Mathematics
Use identities to find the exact value of the indicated trigonometric function of the acute angle ?.sin ? = 
, cos ? = 
Find sec ?.
A. 
B. 
C. 3
D. 2
Mathematics
Use the One-to-One Property to solve the equation for x.
?
?
A. 
B. -2
C. 
D. 
E. 
Mathematics