Charlie guesses that his dog weighs 34.5 pounds. the dog actually weighs 32.7 pounds. what is the percent error in charlie’s guess, to the nearest tenth of a percent? a: 0.05% b: 0.5% c: 5.2% d: 5.5%

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