The vehicle's fuel efficiency is more than 30 miles per gallon. Use f to represent the vehicle's fuel efficiency (in miles per gallon).

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Three coins are flipped. what is the probability that there will be at least two tails?

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply