You build 7 model airplanes during the summer. At the end of the summer, you have 25 model airplanes. How many model airplanes did you have before the summer? Select the correct equation and solution. Check the solution.

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

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b