What is the total number of unique triangles that can be formed with side lengths of 6.56.5 centimeters, 66 centimeters, and 2.52.5 centimeters? SOMEONE PLEASE HELP!!

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

Ineed here’s a picture of the question