Math question

Please keep it a reasonable price as there is only 4 questions and they are very easy. (All answers must be correct and be written on paper to meet my requirements.)

Video streaming company A charges a one-time $40 membership fee and $2 per video stream. Video streaming company B charges a one-time $20
membership fee and $4 per video stream.
Let the variables represent the amount of videos streamed and let the variable c represent the cost.
For how many video streams will the cost be the same for both companies?
Which system of equations can be used to solve this problem?
c
lo
= 40s + 2
c=20s + 4
O
c = 40 – 2s
c= 20 – 45
ſ c = 42
Ic=
24s
ſc = 40 + 25
Ic= 20 + 45
Calculator
Irvin cut a 47 in. wire into two pieces. The longer piece is 13 in. longer than the shorter piece.
What is the length of the longer piece?
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in.
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Jim has only dimes and nickels in his coin bank. He has 37 coins with a total value of $2.65.
How many nickels are in Jim’s coin bank?
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Kevin wants to make a mixture that is 50% lemon juice and 50% lime juice.
How much 100% lemon juice should he add to a juice mixture that is 40% lemon juice and 60% lime juice to make 6 gallons of the 50% lemon/50% lime
juice mixture?
O 0.5 gallon
1 gallon
O 2 gallons
2.5 gallons