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A bag contains 8 red marbles, 5 blue marbles and 7 green marbles. If three marbles
are drawn out of the bag, what is the probability, to the nearest 100oth, that all three
marbles drawn will be green?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Use the given information to determine the exact trigonometric value.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.