Hector planted 185 flowers in 2 days there were 5 volunteers including hector who each planted about the same number of flowers about how many flowers did they plant

Can someone me with my hwplz(only the circled ones)

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?

What is the slope-intercept form for each equation in this system? compare the slopes and y-intercepts to describe the graph of the system. 3x - 4y = 28 4x + 10y = 20