Answer:
3m times 2m = 1m
Step-by-step explanation:
because 4m- 1 =3m and m+2 =2m
Answer:
(c)=81°, a=9.1, b=12.
Step-by-step explanation:
m<A=40°, m<B=59
m<C=180-(40+59)=81
c=14
Answer:

Step-by-step explanation:








Answer:
7.1
Step-by-step explanation:
- Find mean
- For each number you subtract the mean and square the result.
- Work out the mean of those squared differences and find square root of that.
- Hope that helped! Let me know if you need further explanation.
Answer:
C 
Step-by-step explanation:
Option C -
is incorrect because when multiplying the numerator and denominator of the fraction
by 7, you’re suppose to get
.