Write the ratio 32:42 as a fraction in simplest form

3382-299=3383- ? fill in the blank?

Which expression is equivalent to 64 - 9x^2?

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday