Which of the following are point-slope equations of the line going through (-3, -5) and (2, 4)? y - 2 = - 9/5 (x - 4) b. y - 4 = -9/5 (x - 2) c. y + 5 = 9/5 (x + 3) d. y + 5 = - 9/5 (x + 3) e. y - 5 = 9/5 (x - 3) f. y - 4 = 9/5 (x - 2)

Which statement best describes the polynomial

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

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?