Pls help this is due today Which of these might describe expenses for a student? Select all that apply.

gift received
shoes
allowance
donations
savings
food

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

If f(x)=3 over x+2 - square root x-3 then f(7)=