Explain why the definitions of each rigid-motion transformation needs to be more precise than just referring to them as slides, flips and turns.

What expression is equivalent to 42x-56y

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n