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Maths Puzzle
Numerical Ability
Help!!! (please) (thank you)
a bicyclist rode into the country for 5 h in returning her speed was 5 mi/h faster and the trip took 4h what was her speed each way?
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book Other Question
f(x)=x^2
solve each linear system algebraically using two methods: addition and substitution or transposing. 3r+2x=-1
6r-4x=-6