12 rounded to the nearest tenth in between 167

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

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?

Name the quadrilaterals that have four equal sides.