Lowest common multiple for 2p2; 6pq; 4q2

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis

The number of students who ride a school bus is 110% of the number of students who walk. how many students ride the school bus?