If the half-life of a radioactive material is 500 years, how much of the material will still remain after 1500 years?

1/3

1/4

1/8

1/2

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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