exam
Maths Puzzle
Numerical Ability
help finding values of x and y in parallelograms PQRS
PT=x+2,TR=y,QT=2x,TS=y+3
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exam Other Question
You have 20 grams of phosphorus-32 that decays 5% per day. How long will it take for half of the original amount to decay?
Simplify. (Multiply)
( -5 {{{ sqrt x + sqrt y }}} )({{{ sqrt (x-4) sqrt (y)}}} )