exam Maths Puzzle Numerical Ability

One last problem for today...

Factor completely

4m� + 20m + 25

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exam Other Question

Which is an equation for the line that contains the points(-2,3)and(2,-1)? Can someone please help me with these ????
Find theta for 0 degrees < or = to theta < 360 degrees.

a)tan theta= 0.932,sin theta < 0
b)sin theta= -0.192,tan theta < 0
c)sec