exam
Maths Puzzle
Numerical Ability
how much sand will fit in a sandbox that is 4 foot by 6ft?
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exam Other Question
Mary took 5 English tests. Her scores were 78%, 89%, 98%, 67%, and 90%.
What must she score on her sixth test so her average will be 85%?
what are the non-permissible values of the rational expression 4xy/4x^2y^2?
a. x=0 and y=1
b. x=0 and y=0
c. x=4 and y=-1
d. x=2 and y=-2