Please help, it’s urgent

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.