The profit p (in dollars) from selling x calculators is p =25x-(10x+250). how many calculators are sold when the profits are $425?

Given: x - 4x > 0, then the solution set in interval notation is: (-2, 0) true o false

The range of the following relation r {(3, -5), (1, 2), (-1, -4), (-1, 2)} is (1 point){-4, -5, 2, 2){-1, 1, 3){-1,-1,1,3){-5, -4,2)

As a manufacturer of golf equipment, the spalding corporation wants to estimate the proportion of golfers who are left-handed. how many golfers must be surveyed if we want 99% confidence that the sample proportion has a margin of error of 0.025? assume that a previous study suggests that 20% of golfers are left-handed.