Please answer the blanks

The price of a lawn mower is x dollars. the store is having a 75% end of summer clearance sale. which expression can be used to find the clearance price of the mower? a) .25x b) .75x c) x - .25(75) d) x + .25(75)

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?

Lm is the midsegment of trapezoid abcd. if ab=46 and dc=125, what is lm?