The fixed and variable cost for three manufacturing plant

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30