Please help ASAP thank you

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

What is the circumference of a circle with an area of 50.24 cm²?