Use the power rules for exponents to simplify. Write the answer in exponential form.4(rt)9
A. 4rt9
B. 4r9t9
C. 4r9t
D. 49r9t9
Answer: B
Mathematics
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Solve the problem.The total weekly earnings for a part-time job equals $6 per hour times the number of hours worked. Translate this to a formula, and use the formula to calculate the total weekly earnings for working9 hours.
A. $15 B. $6 C. $9 D. $54
Mathematics
Add.-70 + 88
A. -18 B. 18 C. -158 D. 158
Mathematics
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 3 units downward
A. y = 
B. y = 
+ 3
C. y = 
D. y = 
- 3
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = - 
, tan ? > 0Find cos(2?).
A. 
B. 
C. - 
D. 
Mathematics