exam Maths Puzzle Numerical Ability

Are the following lines parallel, perpendicular, or neither?

L1 with equation x-2y=10

L2 with equation 2x+y=2

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exam Other Question

A 6000 lb SUV is being winched up a ramp onto a flatbed trailer. If the ramp is at a 25 degree angle, how much force will be required by the winch to pull the SUV up the ramp? Discuss the advantages of using PEMDAS in simplifying an expression. Also, compare and discuss how you can have different answers to the same expressions with or without the applic