Add numbers with the same amount of variables
-x^2 + (-7x^2) = -8x^2
– 28x (+ 14x )= -14x
7 (+ 8) = 15
-18x² - 14x + 15 is your answer
hope this helps
Answer:
$1,800
Step-by-step explanation:
If Michael works 30 hours a week for $15 an hour we can use the equation:
15 x 30 = 450.
Now just multiply the given answer by 4 and you're left with:
450 x 4 = 1800.
Answer:
Step-by-step explanation:
The interval notation is (-12, 12).
Answer:
The answer is "294.2075".
Step-by-step explanation:
Given:
At confidence level the z is ,
The answer is 1
factors of 25 are 25, 5, 1
factors for 77 are 77, 11, 7, 1