Step-by-step explanation:
(12x - 19y) (12x + 19y) = 144x^2-361y^2
Answer:
1.43
Step-by-step explanation:
12 tenths ⇒ 1.2
23 hundredths ⇒ 0.23
0.23 + 1.2 = 1.43
-15 26/40=<span>-15.65
-15
18/25=0.72
15.85
so From least to greatest
-15.65, -15, 0.72, and 15.85
</span>
Answer:
The radius of the circle is 
Step-by-step explanation:
we know that
In a circle, a 90-degree sector represents a quarter of the circle area.
The area of a quarter circle is equal to

we have
----> area of a quarter circle
so

Simplify

