Adam has completed 7/20 of science fair project how is the fraction written as a decimal answer is needed asap

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Taylor wants to paint his rectangular deck that is 41 feet long and 24 feet wide. a gallon of paint covers about 350 square feet. how many gallons of paint will taylor need to cover the entire deck? round your answers to two decimal places when necessary.