How to Learn Math Fast?
Step-by-step explanation:
<u>∆</u><u> </u><u>Engage With the Subject. ...</u>
<u>∆</u><u> </u><u>Start From the Basics. ...</u>
<u>∆</u><u> </u><u>Develop Number Sense Rather Than</u> <u>∆</u><u> </u><u>Memorizing</u>. ...
<u>∆</u><u> </u><u>Have a Goal in Mind. ...</u>
<u>∆</u><u> </u><u>Answering Practice Questions Is </u><u>Crucial. ...</u>
<u>∆</u><u> </u><u>Keep Track of Math Vocabulary. ...</u>
<u>∆</u><u> </u><u>Tricks and Tips to Learn Math Easily. ...</u>
<u>∆</u><u> </u><u>Master Problem </u><u>Solving.</u>
<h3><u>Hope </u><u>this </u><u>can </u><u>help</u><u> </u><u>you</u><u>:</u><u>)</u></h3>
this formula, doesn't rely on a product, relies on a "sum", or is namely an arithmetic sequence, aₙ₋₁ -3 is another way of saying, the value of the previous term minus 3, so it relies on the ordinal value of a term, so is an recursive formula, well, let's get it when n = 4.

Answer:
a=43
Step-by-step explanation:
w+w+w= 45 which means 15+15+15=45
b+b+b=21 which means 7+7+7=21
s+s+s=12 which means 4+4+4=12
w+b×s= a which means 15+7×4= 43
(hope this helps)
Answer:
2.24
Step-by-step explanation: