The area of a circle is 225π square inches. Find the area of the sector whose central angle is 45o.  Round your answer the the nearest tenth if necessary.​

What is the equation of the graph below? y=sec(x)-4

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *