Find the mean of the data shown in the stem–and–leaf plot below. round your answer to the nearest tenth.

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.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position