11. Tyler loves buying new sneakers. Normally they cost $80.00. Today they are on sale for 25% off. How much do they cost now?
$60
$20
O $25
O $100

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

step-by-step explanation:

graph using a few selected

x         y

-1       15

0         6

1         2.4

2       0.96