Use the points and do y2-y1 divided by x2-x1
You will get -2 which is the m (slope)
Substitute one of the points into the y and x to get the b (y-intercept)
You will get -6
Put everything into the equation
y=-2x-6
Add 10 + 10 + 6 + 6 = 32
32 ft.
Mrs. Blat spends at least ...
13.99 +10.00 +6.00 = 29.99
each month. Over the year, this is a minimum of
12*$29.99 = $359.88
_____
The variable cost is the cost of the 2nd book, which may or may not be purchased in any given month.
Answer:
180 - 90 - 52 = 38
Step-by-step explanation:
All angles in a triangle have to add up to 180.
38 + 52 + 90 = 180.
