suppose you are asked to find the length of are QR. what is the first step the must be completed before the arc length can be calculated? Explain.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?