B
To find the area you multiply width times height, here for the bigger rectangle, to find the area you multiply 7*6 and then add that with 6 * x because those are the width and height of the smaller rectangle.
Second part
I believe that Wiliam chose C because he accidentally thought that adding everything was correct. He added 7+6 to get 13 for the bigger rectangle and then for the smaller rectangle decided that to find the area you would add 6 and x.
Answer:
Your answer is
2 times per min So Function.....
f(x)=n= 2x
where n= items
x= min
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The answer is B. 7/24
<span>I used this formula 7c3*3c3 / 10c3 = 35/120 and that simplified is 7/24 </span>
3x - 42 = 30
3x = 72
x= 24
jaclyn spent $24