exam Maths Puzzle Numerical Ability

kelly telephoned brook about a homework problem. Kelly said Four plus three times two is 14,isnt it? brook replied, No its 10. did someone make a mistake?can you explain where these two answer came from?

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exam Other Question

Find 4 solutions for each equation, write the solution as ordered pairs, then graph them.
2x+y=7
and
x-2y=-1

thanks you! (=
Please help. The problem reads: Use the roster method to write each of the following sets.


#16 D' D={1,3,5,7}