PLEASE PLEASE PLEASE PLEASE HELP ILL MARK YOU BRAINLIEST Volume of Solids that contain holes CALCULUS

Directions: V =[f(x)]2 −[g(x)]2 dx [(top)2 −(bottom)2]

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1) Find the volume of the solid formed when revolving there gion about The x-axis given f(x)= 25−x2 and g(x)=3.

2) Find the volume of the solid formed when revolving the region about the x-axisgiven f(x)= 20−x2 and g(x)=4.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Equation for the calculation double 2 and then add 5