It takes Marvin 2/3 of an hour to mow 1/2 of his lawn. If Marvin continues mowing at the same rate, how long will it take him to mow his entire lawn?

You can run 4 laps in 10 minutes your friend can run 6 laps in 15 minutes. are these rates proportional

Hiroki wrote a number that is the opposite of -3. what number did hiroki write? a. ⅓ b. 3 c. 0 d. -3

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?