Which of the following is irratonal?
A.√2
B.√1.44
C.√1
D.√4

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?