The cost of circular mirrors is directly proportional to the square of the diameter. a circular mirror with a diameter of 60cm costs £50. what is the cost of a circular mirror with a diameter of 90cm?

If g^-1(x) is the inverse of g (x) which statement must be true

2. (09.01 lc) a function is shown in the table. x g(x) −3 17 −1 −3 0 −4 2 13 which of the following is a true statement for this function? (5 points) the function is increasing from x = −3 to x = −1. the function is increasing from x = −1 to x = 0. the function is decreasing from x = 0 to x = 2. the function is decreasing from x = −3 to x = −1.

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?