Factorise 4p2-6tp+18pq-27tq

Plz (02.03 mc) which sequence of transformations will change figure pqrs to figure p′q′r′s′? (5 points) select one: a. counterclockwise rotation about the origin by 90 degrees followed by reflection about the x-axis b. counterclockwise rotation about the origin by 90 degrees followed by reflection about the y-axis c. counterclockwise rotation about the origin by 180 degrees followed by reflection about the x-axis d. counterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axis

What is the length of the unknown leg in the right triangle ?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10