which of the following is not irrational (a) \(\pi\) (b) \(\sqrt{81}\) (c) \(\sqrt{23}\) (d) 1.010010001..​

Circle the numbers that are evenly divisible by 3

What is the value of  y  in the solution to the system of equations? x  +  y  =  12x  –  3y  =  –30a. –8b. –3c. 3d. 8

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.