If P dollars are invested at the end of each year in an annuity that earns interest at an annual rate r, the amount in the account will be A dollars after n years, where 
If $2,200 is invested each year in an annuity earning 11% annual interest, when will the account be worth $25,000? Round to the nearest tenth.
a. 17.9 years
b. 11.4 years
c. 2.9 years
d. 7.8 years
d. 7.8 years
Mathematics
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Find the quantity if v = 5i - 7j and w = 3i + 2j.
A. 
B. 
C. 2
- 
D. 
- 
Mathematics
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find sin A and cos A.
A. sin A = 
; cos A = 
B. sin A = 
; cos A = 
C. sin A = 
; cos A = 
D. sin A = 
; cos A = 
Mathematics
Which of the following is the graph of the given equation?
?
?
A. 
B. 
C. 
D. ?
E. 
Mathematics
Solve the problem.Stephanie receives a salary of $650 per month plus a commission of 5.5% on the first $3,000 of sales, and 7% of all sales over $3,000. Find Stephanie's gross pay for the month if her sales were $10,870.
A. $2850.90 B. $715.90 C. $1365.90 D. $1575.90
Mathematics