Simplify the following by collecting like terms: (a) 9x + 4y - 5x + 5​

How are algebraic expressions evaluated using substitution?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Given right triangle a w/a hypotenuse length of x+4 and a leg of x, and right triangle b, w/ a hypotense length of 3y and a leg length of y+4 for what values of x and y are the triangles congruent by hl?