I suppose its 7, subtracted
This equation can be used when comparing ages.
An example to illustrate this:
Assume that adding 6 to 3 times the age of Jack will give us the age of his grandfather.
When translating this into equations, assuming that the age of jack is "a" and the age of his grandfather is "b", we will find that:
b = 6 + 3a
Answer:
pi r squared divided by 2 for the half circle then add the area of the box to you number and there is your area
It’s B I did this question and got the same answer
A=-1, b=2 I hope this helped. Please please please if you like my answer mark Brainly:)