1- evaluat ((4^2)^-1) a.1/2 b.1/4 c.1/8 d.1/16 2- what is the value of the expression? (3/7)^0 a.0 b.3/7 c.1 d.30/7

Which number produces an irrational number multiplied by 1/3

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?

Kate has 50 quarters and dimes. she has a total of $9.80. how many dimes that she have?