exam
Maths Puzzle
Numerical Ability
Solve using the Subsititution method:
x-y=4
y=2-x
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exam Other Question
A glass pyramid is designed to be situated at the center of a large courtyard. Each of the four triangular sides has a base that is 10 feet long and 10 feet high.
How many square feet of glass are needed for the base and sides?
13/15 - 11/20 =
Help again please, just need to no how to do these again. My mind is not of any help need proffesionals...