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. -

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss