Answer: (-infty, infty)
Step-by-step explanation:
The domain of a quadratic function is the set of real numbers.
Step-by-step explanation:
We can see from the image that z and 20° degrees are complementary, meaning they have a sum of 90°. From this, z = 70°. Hope this helps!
Answer: Marianne would have to get a 79 on her final test.
Step-by-step explanation: In order to get the average, you have to add all of your numbers up and multiply by how many numbers you have (in your case, 3) and you will find your answer.
79+81+77=237 237 divided by 3 is 79. ( Sorry I used a calculator :( )
10% means 10 out of 100.
So 10% of 120=
So total number of books now = 120+12 =
132
Can’t understand please give the questions clear
