Cos4x = 8 cos^4 x - 8 cos^2 x + 1
me prove! : d

Which of the following is true for the relation f(x)=2x^2+1

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

What is the value of x in the equation7x+2y=48 when y=3