Provide an appropriate response.Perform the indicated operation. Write answer with positive exponents: 
What will be an ideal response?
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = 9 + (0.7)n
A. 10 B. 9.7 C. 9 D. Diverges
Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.The sum of four times a number and 4 is equal to the difference of twice the number and 8. Find the number.
A. 4x + 4 = 2x - 8; 6 B. 4x + 4 = 2x + 8; 2 C. 4x + 4 = 2x - 8; - 6 D. 4(x + 4) = 2x - 8; - 12
Solve the problem.Fireworks are launched into the air. The quadratic function 
models the fireworks' height, y, in feet, x seconds after they are launched. When should the fireworks explode so that they go off at the greatest height? What is that height? (Round answers the nearest hundredth.)
A. -6.22 sec, 612.77 ft B. 6.22 sec, 624.77 ft C. 6 sec, 199 ft D. 1104 sec, 6 ft
Decide whether the following is an expression or an equation. Simplify any expression or solve any equation.-4(x + 3) + 9(x - 2) = 6
A. Equation; 
B. Equation; 
C. Expression; 5x + 24
D. Expression; 5x - 36