Please help me with this. Show each of the problems step-by-step Solve each system by elimination.
3u+3v=15
−2u+3v=−5

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?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

I'm marking the brainliest and it's 15 points