R(x)=−7x−3 and q(x)=r(−3x). What equation shows the correct rule for the function q?

q(x)=21x+3

q(x)=21x+9

q(x)=21x

q(x)=21x−3

What is the ratio of the length of an object in yards to the length of the same object in miles?

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

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.