Algebra
2xy-2yz+2zx from 4xy-2yz+2zx

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?

Can some one explain this i got sent this. is this a threat i’m scared

Which number line correctly shows 0.8 + 0.3?