65 people can do a piece of work in 39 days. How long will 15 people
take to do it if they work at the
same rate?​

560

hope this : )

the correct answers i think are b. and d.

give me brainliest if it is correct!

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb