The cost-volume formula for men's belts is y= 2.5x + 750, where x is the number of belts
produced per week. Determine the fixed cost and
the unit cost. Find the total costs when the weekly
production is
(a) 100 units (b) 300 units (c) 650 units

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.