Are 3/8 and 3/4 equivalent fractions

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

What does the sign of the slope tell you about a line?