810 was rounded to the nearest 10 what is the upper bound​

The square root of 9x plus 7 plus the square rot of 2x equall to 7

What is the graph of the absolute value equation ? y=|x|-5

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3