Princessamantavasqueviz Princessamantavasqueviz Math Answered PrisimActivity Il: Determine the constant(s) and the variable(s) in each algebraic expression. 10 pts.Variable(s)ConstantisAlgebraic ExpressionsEx. 2a + 41.) 2f + 52.) q+r+53.) y - 44.) b + 8 25)πr2