Solve the problem.A ladder is slipping down a vertical wall. If the ladder is 20 ft long and the top of it is slipping at the constant rate of 5 ft/s, how fast is the bottom of the ladder moving along the ground when the bottom is 16 ft from the wall?
A. 0.8 ft/s
B. 3.8 ft/s
C. 0.31 ft/s
D. 6.3 ft/s
Answer: B
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Solve the problem.A new car dealership sold 333 cars in 2000, and sales are increasing by about 38 cars per year. Let s be the number of cars sold in the year that is t years since 2000. Find an equation for a linear model to describe this situation.
A. s = 333t + 38 B. s = (2000)(38)t + 333 C. s = 38t + 333 D. s = 371t + 333
Provide an appropriate response.Solve the following inequality and write the solution in symbolic and interval notation: 3(2x - 7) > -12 + (x + 1)
Fill in the blank(s) with the appropriate word(s).
Decide which type of variation the graph represents.
?
?
A. inverse variation B. direct variation C. neither
Write the fractions that represent the shaded and unshaded portions of the given figure.
A. 
, 
B. 
, 
C. 
, 
D. 
, 