7^2 = 6^2 + 9^2 - 2(6)(9)cos(m)
-68 = 2(6)(9)cos(m)
cos(m) = -0.6296
m = arcos ( -0.6296)
m = 129.0 degrees
Answer:

Step-by-step explanation:
You didn't give any options so:
j+j+2k=
<em>Combine like terms</em>
2j+2k
Step-by-step explanation:
I think it is negative because as the dots get lower the number is decreasing.
The expression of the mathematical statement is 2rs/t
<h3>How to write the expression?</h3>
The statement is given as:
double s, multiply r by the result, then divide t
double s means 2s
multiply r by the result means 2rs
divide t means 2rs/t
Hence, the expression of the mathematical statement is 2rs/t
Read more about expressions at:
brainly.com/question/723406
#SPJ1
The area should be 192. Since your formula to find the area is “ A= ( a+b) divided by 2 times h” your bases are 14 and 18, which equal to 16. Finally,multiplying 16 by your hight,12 is 192. 16x12=192