Bo and Erica are yoga instructors. Between the two of them, they teach 35 yoga classes each week. If Erica teaches 10 fewer than twice as many as Bo, how many classes does each instructor teach per week?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

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