exam Maths Puzzle Numerical Ability

Can someone help me on this problem?

I need to add:

2 + (-11) + 14 + (-7)

Thanks,
Sher

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exam Other Question

Complete the ordered pairs so that each is a solution for the given equation.

Equation:
y = -2x + 5

Availble ordered pairs:

(0, ), ( , 5), ( 3/2, ), ( ,1)

Not sure I understand this one. Thanks for the help.
Mr. cruz traveled by car to the church at a rate of 50kph. On hs trip, he drove at 60kph and covered the same distance in 3 hours less than the time for the first trip. How many ho