book Maths Puzzle Numerical Ability

Jamil always throws loose change into a pencil holder on his desk and takes it out every
two weeks. This time it is all nickels and dimes. There are 9 times as many dimes as
nic

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book Other Question

write the equation of the line that passes through the given point and is parallel to the given line. Write the answer in slope intercept form

(0,0) y=4x-7

write the equatio
Perform the indicated operation and express your answer in simplest form:

(4/x)-(3x+3/x^2+1x)+(x/x+1)