Answer:
3x+4=19
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
26^2-24^2=100
sqrt of 100 is 10
Answer:
283.3%
Step-by-step explanation:
6.8 divided by 2.4 = 2.83333333333
2.8333 x 100 = 283.33
= 283.3%
Answer:
5
Step-by-step explanation:
According to the described rule, we have

We can see the pattern

In other words, for all 

Now,

1981+25
Since she was born in the year 1981, and her son was born 25 years later so you add 25