The table shows the rates for sending text messages.
Are the rates proportional?
Explain.
Messages Cost
50
$6
75
$9
100
$12

The graph below could be the graph of which exponential function?

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

Factor the polynomial. b^2 + 4b + 4