What is the measure of s: 53°
t: 48°
r: ?
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69°
79°
99°
101°

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

In a class of 77, there are 44 students who play soccer. if the teacher chooses 33 students, what is the probability that none of the three of them play soccer?

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?