Tiana has a wallet with different denominations of bills in it. she randomly chooses a few bills and counts them. there are 2 ones, 1 five, 3 tens, and 1 twenty. if there are 28 bills in her wallet, what would you predict is the approximate value of all the bills?

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.