John and Steve just received their bill for $42.30 from their waiter. John wants to leave a 20% tip and Steve wants to leave a 15% tip. How much more does John want to leave then Steve? (Sales tax, tip, markup, markdown)

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Use the spider tool located on page 1 of this activity to draw a 12-pointed star for the new logo. (hint: if the spider rotates 360 degrees -- or 720 degrees or 1080 degrees -- she will be facing in the same direction in which she started. when the spider is done drawing, you want her to be facing in the same direction in which she started. she'll be making 12 rotations, all the same size, so each rotation must be some multiple of 360/12 = 30 degrees.) urgently. been stuck on this problem for around 45 minutes now.! it should be easy if you're smart enough