I attached your answer below...
Answer:
72
Step-by-step explanation:
mean=average. to get average, you add up the numbers and divide by how many numbers. they add upp to 288 and since theres 4 test grades, divide by 4 to get 72.
Answer:
Step-by-step explanation: L=W+3
2(W+3)+2W=24
2W+6+2W=24
4W=24-6
4W=18
W=18/4
W=4.5 ANSWER FOR THE WIDTH.
L=4.5+3
L=7.5 ANSWER FOR THE LENGTH.
PROOF
2*4.5=2*7.5=24
9+15=24
24=24
<h3>
stop using this website just for answers, it's cheating, and it doesn't help you learn anything. Instead, you SHOULD ask how to figure out the question you're asking.</h3><h3>
For example: how do I figure out which table represents a proportional relationship?</h3>
answer: look for a common Multiple
The answer is option two, "S" represents one and "R" represents five
The solution set is -8,0. Hope this helps!