If a = 3 and b = -7, find the value of \(\frac{5b+(a+b)^2}{(a-b)^2}\)
Three boys shared D 10,500.00 in the ratio 6:7:8. Find the largest share.
The length of a piece of stick is 1.75 m. A boy measured it as 1.80 m. Find the percentage error
If 5x + 3y=4 and 5x-3y= 2, what is the value of (25x\(^2\) -9y\(^2\))?
Mary has $ 3.00 more than Ben but $ 5.00 less than Jane. If Mary has $ x, how much does Jane and Ben have altogether?