On a coordinate plane, parallelogram A B C D has points (negative 3, 5), (1, 5), (5, 0), and (1, 0). What is the area of parallelogram ABCD?

16 square units
20 square units
24 square units
25 square units

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.