In the least squares regression line y = 3 – 2x, what is the predicted value of y equal to?.

An item not normally included in ansi recommendations, but recommended by other groups is: a) a syringe b) a blood pressure monitor c) a defibrillator d) all of the above

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers