let Tn be the Nth triangular number, Qn be the Nth square number and Pn be the Nth pentagonal number. Show that 3Pn = T(3n-1)

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?