I know 8-10.
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Answer:
An equation that makes a straight line when it is graphed. Often written in the form y = mx+b. Equation of a Straight Line
Step-by-step explanation:
Answer:

Step-by-step explanation:
To solve this problem, first you have to use the order of operations stands for parenthesis, exponents, multiply, divide, add, and subtract from left to right. Remember to use the order of operations stands for "Please Excuse My Dear Aunt Sally."
Do parenthesis first.


Next, exponent.


Multiply & divide numbers from left to right.

Finally, add & subtract numbers from left to right.

As a result, the correct answer is 21.
Answer:
Please refer to the attachment
You would multiply 4 on both sides
5x=2
then you would divide 5 on both sides
x=2/5