How many more tens can you get from 572 than 335

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Three coins are flipped. what is the probability that there will be at least two tails?