In a particular classroom, a student who did not study scored 60 points on a test. if that student scored 90 points when studying for three hours, what is the rate of change of his score per hour studied?

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Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers