X^2+15x=-45 solve by factoring

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?