exam Maths Puzzle Numerical Ability

Find the slope of the line that is perpendicular to 3x+2y=4

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exam Other Question

If I know the length of all three sides of the triangle, and one angle is 90 degrees, how do I calculate the other two angles (I know all three total 180 degrees).

Susan Will someone please help me with the solution to this problem!
Evaluate P(7,3)
The choices for an answer are as follows:
1. 210
2. 840
3. 35
4. 180
Thank you, Ray!