The town swimming pool is closed if it is colder than 68° outside. Which inequality represents the temperature when the pool is open?

t > 68
t ≥ 68
t < 68
t ≤ 68

Which of the following contains a variable?

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?

The product of (7x-2) and (20-3x)/4. when x=4