For a luxury doughnut producer the average selling price is £2. The average variable cost is 40% of the selling price and its fixed cost per day is £300. Calculate total costs per day assuming it produces 400 doughnuts per day.

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.