Identify an equation in point-slope for the parallel to y=3/4x-4 that passes through (-1,7)

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).