exam Maths Puzzle Numerical Ability

How do you find the surface area of pyramids and cones?

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exam Other Question

Find the foci of an ellipse with the equation 7(x - 2)2 + 3(y - 2)2 = 21 Please help me.

use the subtraction method to solve for s.

3t+5s=10
3t+ s=2

&

4s-5t=7
2s-5t=3