What is the quotient and the remainder of 27÷7

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?

What is the equation of a line passing through (-6,5) and having a slope of 1/3

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4