Answer:

Step-by-step explanation:
Product of of 3 and b is 3b
At least means greater than or equal too.

Your answer is c, an obtuse triangle because if the two side lengths are the same length along with a longer side, it become obtuse
let me know if you have any other questions
:)
Answer: There is none.
Step-by-step explanation:
There is no proportional relationship between Celsius and Fahrenheit because for a proportional relationship to exist, the two variables need to have an equivalent ratio between them which would ensure that their values vary constantly when they are either divided or multiplied.
In other words, only the arithmetic operations of multiplication and division should be present. In the above there is an additive operation which renders the two variables being Fahrenheit and Celsius, non-proportional.
Answer:
(7x9)x10 the power of 3 is 63,000
The first, third, fifth and sixth one are all functions.