In a group of 28 pupils, 12 play the flute only. 6 play the piano only.
9 play neither instrument.
A student is selected at random.
What is the probability the student plays both instruments

What is the product? (x2+3y+7) [yy+1)

Consider the function f(x)=-5x+3 what is f(-2)

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q