Asample is considered to be ( unbiased, or biased) if one or more parts of the population is more likely to be selected for the sample

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2