If f(x) = 2x + 3 and g(x) = x^2 + 1,find f(g(
a.) 23
b.) 47
c.) 82
d.) 90

Can someone me with my hwplz(only the circled ones)

Somone me i want to know what 18 hours out of 24 hours in a fraction

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.