Tess earned
$52

for
4

hours of shoveling snow and

$71.50
for
5.5

hours of shoveling snow. how long would she have to shovel snow to earn
$39

?

Asequence is a function whose is the set of natural numbers

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?