Aplane is flying at a constant height of 8000m. it flies vertically above me and 30 seconds later the angle of elevation is 74°. find the speed of the plane in metres/second.

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

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*