Answer:
Step-by-step explanation:
It is a right triangle, so use the Pythagorean Theorem to solve for x.
x² + 8² = 11²
x² = 11² - 8² = 57
x = √57
Step-by-step explanation:
Look for keywords
when you see "per" that means theres a rate (something happens every unit of time)
To write a rate you divide whatever happens by whatever unit of time youre useing
In this example our rate is 15$ <em>per</em> hour which can be written as:
15$/1 hour (but we usually dont write it if theres a 1)
You can think of this as a regular fraction
Here the hour will cancel and youre left with $
D because -9 is a smaller number than -4 but the sign says that it is greater than -4, which is untrue