Find the sum, difference, product, and quotient of 3*10^3 and 2*10^3 . Write your answers in scientific notation.

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

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

What is the measure of one interior angle of a pentagon