Answer:
18.6
Step-by-step explanation:
<span>Begin with 3.11 x 1.5, which equals 4.665. Then add 1.43. The answer is thus 6.095.</span>
Her change will be $16.22 since 20 +20 is 40 and 40 - 23.78 is 16.22
For the first question you need to find the formula for the rectangle, after you did that fill it in. and find your answer.