What is the approximate area of the circle shown below? 18cm
A. 28.3 cm2
B. 1018 cm2
C. 254 cm2
D. 56.5 cm2

Average acceleration: i have no idea how to do this.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Which strategy is used by public health to reduce the incidence of food poisoning?