Gary invests a total of $21,000 in two accounts, one paying 5.5% simple interest per year and the other paying 8.5% simple interest per year. His annual interest from both accounts is $1,280 . How much did he invest at each rate?
What will be an ideal response?
x = $16,833 , y = $4,167
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Graph the pair of parametric equations with the aid of a graphing calculator.x = t - sin t, y = 1 - cos t, -4? ? t ? 4? 
A. 
B. 
C. 
D. 
At a time t seconds after an object is tossed vertically upward, it reaches a height s in feet given by the equation:
?
?
What is the maximum height reached by the object?
?
A. 5 ft B. 400 ft C. 800 ft D. 10 ft E. 300 ft
Provide an appropriate response.Find the present value of an annuity due with monthly payments of $200 for 17 years at 5.25% compounded monthly.
Fill in the blank(s) with the appropriate word(s).
Solve the system of equations using substitution. Note that the system may be inconsistent or consistent with dependent equations.
A. (0, 0) B. (0, -7) C. All ordered pairs along x + y = -8 D. No solution