18 just add both of them money 15.50+12.50=28
<h3>
Answer:</h3>
<h3>
Explanation:</h3>
Use the FOIL method of multiplying binomials.
First term in each binomial:
Outside terms:
Inside terms:
Last term in each binomial:
Add them all together.
Simplify.
65 - 30 - 21 = 14
(sixty-five minus thirty minus twenty-one equals fourteen)
Answer: 324-68= 256LENGTH
324-256=68WIDTH
Explanation: 256+68=324
The slope 3 is and the y-intercept is 6.