Calculate the answer to the appropriate number of significant figures. (do not convert to scientific notation) 6.47 x 64.5

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

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