Answer:
18. one solution 19. No solutions
Step-by-step explanation:
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9 Ibs(pounds) + 6 oz(ounces) ⇒ ounces
First, let's find out how many 1 pound is equal to in ounces.

Since 1 pound is equal to 16 ounces, multiply the 9 pounds by 16.

Now, add the remaining 6 ounces to 144 ounces, which is also 9 pounds.

The answer is 150 ounces.
Hope this helps!☺
Answer:
f(-1
Step-by-step explanation:
The inverse of the function f is denoted by f -1 (if your browser doesn't support superscripts, that is looks like f with an exponent of -1) and is pronounced "f inverse".
He should buy two 5 pound bags and one 2 pound bag.