H
Mrs. Thomas had $135 to
purchase science supplies for her
lab. She bought 32 pounds of
soil and 32 boxes of cotton balls.
Each pound of soil was $1.40,
including tax, Each box of cotton
balls cost $0.59, including tax.
How much money did Mrs.
Thomas have after her
purchases?

She will have $71.32.

Step-by-step explanation:

135-(44.8+18.88)=71.32

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,