Mr. vectadore is buying two new cowboy hat altogether the hats cost $75.12 the second half cost twice as much as what is the price of the more expensive hat

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Find the value of the cosine for angle a

On saturday a souvenir shop had 125 customers. sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?