2.73972603 or ... you can round to the nearest tenth... 2.7
The amount of money found under the couch cushion is $1.99
The slope-intercept form: y = mx + b
m-the slope
Part A.
y=4x+3
Part B.
11=4x+3
8=4x
2=x
2 dollars
Part C.
4(3)+4(2)=12+8=20
It would be enough if there is no sales tax.
Hope this helps!
Your fortune is "Only one fortune a day!"
Your answer is y=15 for your problem