Which point is on the equation y = 2x + 3? (If you put the x value in place of x & work out the equation, you get the y value as an answer.) Group of answer choices (1, 4) (2, 5) (3, 9) (4, 10)

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Add the fractions and simplify 1/2+ 1/3

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?