If weight of a circle of wood after drying was find to be 60kg, the percentage moisture content was 40%, what is the weight before drying ​formular: 40% = wet weight-60kg/60kg×100%

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y

Astudent drew a circle and two secant segment. he concluded that if pq ~= ps, then qr ~= st. do you agree with the student’s conclusion? why or why not?