CHECK (Part 1)--What is the least common denominator you could use to evaluate the expression?

Type your answer as a single number.

-\frac{3}{4}-(-\frac{5}{6})+9

Part 2--Use your answer in part 1 and find the value of the expression:

-\frac{3}{4}-(-\frac{5}{6})+9

More Fractions--Which of the following are equivalent to the correct value of the expression:

7+\frac{3}{8}-(-\frac{7}{6})

Select ALL that apply.

4. New Garden—Emilia has planted 9 petunias after working in her garden for 2/3 hours.

Solve for the unit rate and write the equation for the relationship between x and y.

4. Filling Up—It takes Aubrey 38.5 seconds to get 9 ½ ounces of water in her bottle.

Solve for the unit rate and write the equation for the relationship between x and y.

Pool Party- The pool has 407.1 gallons of water in it after 15 minutes.

Solve for the unit rate and write the equation for the relationship between x and y.

So Many Fractions!--Enter the value of of the expression as a mixed number.

**You SHOULD NOT use the calculator on this question.**

\frac{2}{3}+(-\frac{3}{5})-(-12)

**You MUST SYW for credit**

Good Deals--The electronics store Tech Time sells a lot of gear at large discounts. Thanh is looking to buy a gaming PC at the best price and finds one that is originally priced at $980. However, Thanh wants to best bang for his buck, in other words, most memory for the lowest cost. What is the unit rate of the cost per GB (gigabyte) if the cost is $980.50 for 16 GB?

Which of the following expressions correctly models the final price of the PC?

Select ALL that apply.