How do i solve with proving with what’s given?

Try useing a therom.

Step-by-step explanation:

27:In the first question you could use SAS which means side angle side because D is the midpoint and it tells you that ab and bc are equal.

Same for 28

answer is c

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,