exam Maths Puzzle Numerical Ability

What is the relationship between the lines y=-3x+5 and y=-3x-7? Are they parallel, perpendicular, or neither?

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exam Other Question

it takes a painter A 3 hrs to paint a certain area of a hhouse.it takes painter B 5 hrs to do the same job.how long would it take them,working together,to do the painting job? Write an equation in slope-intercept form for each given pair.

Can you please help me write an equation in slope-intercept form?

20. (2.5, 2)


22. (4, 3), (7, -2)


Thankyou a bunch!!!!!!