Sandra saves 15% of her salary for retirement . this year her salary was $2,000more than in the previous year and saved $7,050. what was her salary in the previous year ?

if im undersanding the question correctly, its organized from 10

step-by-step explanation:

75

step-by-step explanation:

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,