Evaluate the expression for the given f(x, y). 5x
if f(x, y) =
y + 3
( (-)
(5-6)=0
1 6
5 5
(Type an integer or a simplified fraction.)

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Which expression is rational? 6. , square root two, square root 14, square root 49