last year the depth of the river was 4.2 feet deep. this year it dropped 24% find the depth of the river this year

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤