Answer:
sentence 2
Step-by-step explanation:
Answer:
x² + 4x + 9
Step-by-step explanation:
This is just adding like terms (Adding x²'s to each other, adding x's to each other, etc.)
3x² - 2x² = x²
-x + 5x = 4x
7 + 2 = 9
So all together its x² + 4x + 9.
Answer:
96 cm^2
Step-by-step explanation:
the diagonal bisect in the point of intersection, so their length is 12 cm and 16 cm
Area = (12 * 16)/2 = 96 cm^2
Answer:
909
Step-by-step explanation:
I'm not sure if I'm right plz tell me if I'm wrong
Y = 7x + 4
-4 from both sides
y - 4 = 7x
/ 7 on both sides
(y-4)/7 = x
Answer:
x = (y-4)/7