List two different combinations of coins each with a value of 140% of a dolllar

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Find the value of x for which the lines are parallel.

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.