Let x represent the number. write the english phrase as an algebraic expression. twice the sum of a number and 20

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years