I need help with this​

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.