A bookstore has $89,000 of sales, variable cost of $29,370 and fixed cost of $31,490. What would its sales have to be to break even? The break-even point is $
(Round up to the nearest whole number.)

Which of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )