Answer:
31 degrees and 26 degrees
Step-by-step explanation:
Every triangles' angles equals 180 degrees.
180 - 82 - 67 = 31
180 - 80 - 74 = 26
Answer:

Step-by-step explanation:
Given
-- initial

Required
The exponential equation
The exponential equation is

Where

We used minus, because the rate decreases..
So, we have:



So:


Hence:

Answer:
12x - 18
Step-by-step explanation:
3 x 4x = 12x
3 x -6 = -18 (Negative and positive make a negative.)
12x - 18
Find area of square: 7^2 = 49
Find radius of circle: 7/2=3.5
find area of circle: 3.5^2*3.14=38.465
Remove area of circle from area of square:
49-38.465=10.535 cm^2
Answer A is the correct one :)
Answer:
the answer is r (‑1)/(6*x)-2.1
Step-by-step explanation: