Answer:
A = 9x² + 12x
Step-by-step explanation:
The area (A) of the rectangle is calculated as
A = height × width
= 3(3x² + 4x) ← distribute parenthesis by 3
= 9x² + 12x
Answer:
Step-by-step explanation:
cosx=(adjacent side)/(hypotenuse)
cosB=3/5
Answer with Step-by-step explanation:
We are given that

Where t corresponds to the year 2000=0
a.
Substitute the values


b.In 2004
t=4


c.In 2013
t=13

2.8 because the tenths place is right after the decimal point.