Answer:

Step-by-step explanation:
4 = ½[6] + b
3

I am joyous to assist you anytime.
Answer:
2. 2
81r - s/49
Step-by-step explanation: I don’t know how to explain it but yeah
( I’m probably wrong so if I am I’m sorry)
17 Answer: 205
<u>Step-by-step explanation:</u>


18 Answer: 1968
<u>Step-by-step explanation:</u>


19 Answer: -116
<u>Step-by-step explanation:</u>

Answer:
The answer is 3/4
Step-by-step explanation:
When you divide two fractions, such as 1/2 ÷ 2/3, you have to flip the second fraction and then you simply multiply the numerators with each other and the denominator with each other.
Answer:
they don't respect the signs
Step-by-step explanation:
when you have a problem like the one above you have to put parentheses to the negative numbers either to add or subtract them, there is where the sign rule comes in