High school competency tests scores has that are normally distribution with a mean of 400 and a standard deviation of 100. if the top 3% of students receive an award. What’s the minimum score you would need to receive this award ?

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Adult wasps sting caterpillars and inject their eggs into the caterpillars. the larvae feed on the caterpillars, leading to the death of the caterpillars. what kind of a relationship exists between the wasps and the caterpillars? a. the adult wasps are parasites to the caterpillars. b. the caterpillars are parasites to the wasps. c. the adult wasps are commensals, and the caterpillars are hosts. d. the caterpillars are commensals, and the adult wasps are hosts.