For the function f f'(x)=2x+1 and f(1)=4. what is approximation for f (1,2) found by using the line tangent to the graph of f at x=1

Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting

1foot = 12 inches; 1 yard = 3 feet

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?