A restaurant customer left $1.40 as a tip. the tip was 20% of the cost including tax. What was the total bill?

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827