Answer:
-x^2 +12x +5
Step-by-step explanation:
x^2+3x + -2x^2+9x+5
I like to line them vertically
x^2+3x
-2x^2+9x+5
---------------------
-x^2 +12x +5
His score is 50
How to:
First test grade:0
Second test grade:50
Third test grade: 100
Add all three and divide by 3
Answer:
SSS or D on edge
Step-by-step explanation:
just took the test
Answer:
b) q
c) 7a
d) 2y
Step-by-step explanation:
b) q must be added to p to get p+q
c) 12a-7a = 5a
d) 2y is subtracted from 3x
Answer:
D, 
Step-by-step explanation:
Separate -1, 2, and 100 from each other inside the radical. You can take out -1 as <em>i</em>, and 100 as 10. You now have 10<em>i</em> on the outside of the radical and 2 on the inside. Hope this helps.
