Claudia Escobar

Mathematics

7 March, 16:58

If 20% of the class is failing math what percentage is passing math?

if 10% is passing math what percent is failing math?

given the expression x - (-y) can also be written as

a) - y-x

b) - y+x

c) - xy

d) x+y

if you expand the bracket 3x (2-4x) the result will be

a) 6x-12x

b) 6x-7x

c) 5x+12x

d) 5x-x

a. -