PLEASEEE What is the value of x in the equation 7.5 = x + 2.25?
A. 9.75
B. 4.75
C. 7.25
D. 5.25

PLEASE HELP
IL GIVE BRAINLIEST

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

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