Antony orders for 7 pizzas which costs $315 what is the cost of a pizza

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Find the measure of anglec in the following triangle