Posted by Anonymous on .
. Simplify the following expressions points)
a. sqrt(20) + sqrt(5)
b. (6 + sqrt(18))/6
c. sqrt(9y^4x^0.5)^0.5

exprxion 
bobpursley,
1) change sqrt(20) to sqrt(4) sqrt(5)
2) change sqrt(18) to sqrt(9) sqrt 2