The cost with just the 10$ off would be 39.98
Answer is <span>7x^2-3x+7
hope this helps</span>
Angle DME and BMQ are equal cause they are opposite angles so you could equate the two to get the value of x. BME is a straight line so after finding the value of the angle BMQ you could do 180-(x+12) = 6y-x-12.
The answer is (0,0) to (0, -5) I hope this helped ^^
12/30 = percentage of blue marbles = 40%
40% of 20 =8
12-8 =4
John has 4 more blue marbles