120 tickets were sold in one hour and 50% were childrens tickets how many childrens tickets were sold?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

The area of a circle is equal to 1 dm². find the radius of the circle.

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2