El mayor de cuatro hermanos tiene 30 años, los demás tienen 3, 4 y 6 años menos que el mayor. ¿Cuál es la suma de las edades de los cuatro hermanos dentro de 12 años?

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

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.