12-(-8)+(+14-62)+√289+6^2
es un ejercicio de operación combinada

43lbs of tomatos cost $387. how much would 41lbs cost

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?