Unit 5 Review - Math 7

 $\left(1.8\right)\left(-2\right)$  

 $\left(\frac{1}{3}\right)\div\left(\frac{1}{6}\right)$  

What is the distance between the heights of the pelican and heron? Just the number (distance CAN'T be negative!)

What is the distance between the heights of the pelican and the trout? (Just the number. Distance CAN'T be negative!)

On Monday, Ms. Salter's checking account held $81.52. On Tuesday, she withdrew $40 from the account. On Thursday afternoon, she deposited $150.25. What was her final balance Friday morning?

The water level of Lake Norman decreased by $3\frac{1}{4}$ over a 4-month period. What is the average monthly change in the water level from the lake? ** Leave your answer in a/b form.