Plsss help i’ll give brainliest if you give a correct answer

How do you convert 1.27 to a percentage

Consider the function f(x)=-5x+3 what is f(-2)

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36