One number is eight less than the second number. twice the first is 9 more than 3 times the second. find the numbers

-49/3 and -25/3

Step-by-step explanation:

Let the numbers be represented by f and s (first and second).  Then f = s - 8.  Also, 2f = 3s + 9.  Solve this system for f and s:

Substituting s - 8 for f in the 2nd equation, above, yields

2(s - 8) = 3s + 9, or 2s - 16 = 3s + 9.  Then 3s = -25, and s = -25/3.  The first number is then f = s - 8, or f = -25/3 - 8, or f = -49/3.

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,

step-by-step explanation: