Step-by-step explanation:
We just subsitue 3 for x and -4 for y, so we get

So




Answer:
x=2.2
Step-by-step explanation:
Answer:
$13.50 is the tip
OR
$81.01 is total bill
Step-by-step explanation:
total of bill multiplied by 20%
$67.51 x .20 = $13.50
For total bill amount:
$67.51 + $13.50 = $81.01
Do 1/3 x 7 (due to the parentheses which mean multiplication). Once you get that answer you should have 8/9 = x + (answer). Now subtract that answer from 8/9 and that's your x!
In mathematics, an isometry is a distance-preserving injective map between metric spaces. A composition of two opposite isometries is a direct <span>isometry.
Hope it helped!!</span>