triangle ABC is reflected across the line y=2x to form triangle RST. select all of the true statements

Find the quotient. 50a2 – 98b2 -5a +7b

The graph of which equation includes the points (0, 10) and (10, 11)? y = 10x + 11 y = x + 10 y= 1/10x + 10 y = 1/10x + 11

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.