Answer:

Step-by-step explanation:
"At least" is inclusive, so you can be 21 years old.
The answer is 10 because 9x5=45 then you do 45-15=30 then you divide by 3 which is 10.
Your welcome
Answer:
319 miles.
Step-by-step explanation:
Answer: A= 68 square centimeters
Step-by-step explanation:
A=
+
/2 x h
6+11=17
17/2=8.5
8.5 x 8= 68
Use cross multiplication to should get you the answer...
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