Sonja has a bank account balance of $1400. Each week, her balance changes by −$85.25. She wants to keep the balance above $377. How many weeks will Sonja's balance remain above $377?

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Sonja's balance will remain above $377
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weeks.

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,

11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2

2/3=10/15

1/5=3/15

10+3=13/15

2 13/15 is the answer