There are 23 students that are riding in cars for a field trip. If a car can carry 4 students, how many cars are necessary to take all of the students?

What are “like terms”? why can we only add like terms?

Which is f(5) for the function –2x2 + 2x - 3?

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.