When dividing fractions, it most to change a mixed fraction number into a(n) it is called

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

On a architect's drawing of a house, 1 inche representa 1.5

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.