Answer:
5x+3
Step-by-step explanation:
substitute x for the unknown number
B is true
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Answer:
800%
Step-by-step explanation:
<h2><u>Percentage increase</u></h2><h3><u>formula:</u></h3>
change/ original * 100
change is 1.35 - 0.15 = 1.2
original is the amount in the beginning which is 0.15
= 1.2/0.15 * 100
=800 %
<em><u>the percentage increase is by 800%</u></em>
She done better at the 2nd test because she only got 4 wrong but on the first test she got 6 wrong.
Answer
It takes two steps to solve this problem. Step 1, you must solve the binomial squared. Then combine similar terms.
