Last year billy weighed 75kg. this year he weighed 90kg. with what percentage did his weight increase. show all !

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca