9 X 9 X 20 X 20
Pido perdón para mí español, pero creo que este es la ecuación.
Answer:
Maple calculator used_____
Answer:
The answer is B.
Step-by-step explanation:
7x4 is 28 which means you have to multiply 3x4. That gives you 12. 28:12 is the proper ratio. (Hope this helped!)
When written in scientific notation, 3,900 = 3.9 x 10^3
Find the missing angles using either the triangle sum theorem (a2+b2=c2) or inverse trigonometric ratios
