Alot cost $120,000 the house cost 3 times more than a lot how much did the house cost

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss