Https://homework. russianschool. com/resource_svg?key=1649hftw0yl3 Please help write the algebraic expression that matches each graph

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

If there are 3.281 feet in 1 meter, how many inches are in one centimeter