33. what values of the constants a, b, and c make the ellipse
4x2 + y2 + ax + by + c = 0
tangent to the x-axis at the origin and pass through the point
(-1, 2)?

For an experiment, a penny is tossed. at the same time, a spinner with 8 congruent sections numbered 1–8 is spun. how many possible outcomes are there for the experiment?

What is the inverse of the function f(x) = 2x + 1?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.