In 18 minutes, karl can walk 4 laps around the track at his school. if his pace stays the same, how many laps should karl be able to walk in 1 1/2 hours?

Chip worked at the animal shelter for 6 hours each week for several weeks. he worked for a total of 42 hours. which of the following can be used to find the number of weeks chip worked at the animal shelter?

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.