Lillian bought four hairbrushes as $3.99 each. she had a coupon for $1 off. her mom paid for half of the remaining cost. write an evaluate a numerical expression to find how much lillian paid toward the purchase of the hairbrushes.

Step-by-step e[xplanation:

[-1.00 (3.99 x 4)] / 2=

3.99 x 4 = 15.96

15.96 - 1.00 = 14.96

14.96 / 2 = $ 7.48

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.