Iam on an apex quiz and i only have 7 minutes left.

estimator bias occurs when a sample is not random and does not accurately represent the population being studied.

true or false

Solve the system of equations. y= 2x y= x^2 - 15

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais