You have 40 grams of a radioactive kind of europium. If its half-life is 5 years, how much will be left after 10 years?​

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

What is the rate for one gallon of gasoline