Find the volume of a cone with a height of 9 in the base of 6 in used pie and do not round your answer

Can someone me with my hwplz(only the circled ones)

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).