Solve the problem.A set of chairs costs $271. The sales tax is $10.84. What is the sales tax rate?
A. 0.4%
B. 4%
C. 6%
D. 5%
Answer: B
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Find the LCM.x2 - 9x + 20, 4x - 20
A. 4(x - 4)(x + 5) B. 4(x + 4)(x - 5) C. 4(x + 4)(x + 5) D. 4(x - 4)(x - 5)
Add or subtract, as indicated, and simplify the result.
- 
A. 
B. 
C. 0
D. 
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
- 3
A. 
B. 
C. 
D. 
Solve.Ron throws a ball straight up with an initial speed of 40 feet per second from a height of 3 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0 and y = -16t2 + 40t + 3 5.146 sec, 1.25 sec, 25 feet B. x = 0 and y = -16t2 + 40t + 3 4.845 sec, 1.25 sec, 190.855 feet C. x = 0 and y = -16t2 + 40t + 3 2.423 sec, 1.25 sec, 2.985 feet D. x = 0 and y = -16t2 + 40t + 3 2.573 sec, 1.25 sec, 28 feet