A study is done to test the effectiveness of a new drug. Fifty participants are given the drug and forty other participants are given an inert substance. Another name for the inert substance is what? treatment

placebo

aspirin

free option

Arrange these numbers from least to greatest 3/5 5/7 2/9

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?