Hi, can someone please help me with this? Thank you. Correct answer will be marked and brainliest and any wrong answer will be removed. Need this urgently!

Find the solution for each system of equations below, idf a soulution exists. If there is not a single solution, explain why not. Be sure to check your solution, if possible.

3) a. x+4y = 2 b. 2x+4y=-10
x=-2y -5
3x-4y=10

5) Assume that a baby's length can be determined by the equation l = 23+1.5t, where l represents the length of the baby in inches and t represents the age of the baby in months.

a. How fast is the baby growing each month? How can you tell?
b. How long was the baby when it was born? How can you tell?
c. How long will the baby be when it is 3 months old?
d. If the baby was born in January. during what month will it be 39.5 inches long?

For 30 points!!