Joni earned twice the amount of money babysitting on saturday as she did on wednesday. she earned $15 more on friday than wednesday. she earned $50 on sunday. her total earnings for all four days were $345. how much more did joni earn on wednesday than on sunday?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

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

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?