Hope this helps! Is from the app Photomath.
Answer:
#2 option: 
Step-by-step explanation:


= 
Answer:
your answer would be A.
Step-by-step explanation:
Already you know that answers b and d are not an option because it is saying she can use OVER 45 dollars. So she has to use EQUAL or less then 45 dollars. So the answer has to be A or C. In answer C it is saying she can spend MORE then 2.50 for a bunch where she cant. She has to spend exactly or less then that amount. So your answer is A.
Answer: x=2 and y=-3
Step-by-step explanation: you’re welcome
It means to convert 3liters to mL
400g to kg
And so as the following