Answer:
3(5-7)=4
Step-by-step explanation:

Step-by-step explanation:


Multiply Equation no (1) with 2 and Equation no (2) with 7.







Substitute the value of "y" in Equation no (1)







Answer: 75
15 multiplied by 5 (how many times it takes 20 to get to 100) gives us 75 :)
Answer:
0
Since 8 is too small to be rounded to 100, it's rounded down to 0.
Answer:
b (4,-2)
Step-by-step explanation:
i dont really know how to explain it tbh