Me on this problem

in δdef, if δde ≅ δdf is the hypotenuse, then δdef is

a. acute and scalene.
b. right and scalene.
c. right and isosceles
d. obtuse and isosceles

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?