Find all values of x that make the equation -4(x-2)(4x+3)(x-6)

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

If the value of cos330°is√3/2 then find cos 165°.