Sanjay is taking 2 more classes than Ha is taking how many classes is ha taking?

What is the rotational symmetry of a wheel

What is the slope of the line shown below?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles