Asap which best describes the angles of some parallelograms?

four acute angles

two acute and two obtuse angles

four obtuse angles

What is the missing constant term in the perfect square that starts with x^2 -20x

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

What are the domain and range of f(x)= -log5(x+2)