3+x=7Becayse you get the three and add it to a variable equals 7
Answer:
The length of the other leg is 
Step-by-step explanation:
I will assume that the triangle is a right triangle
In a right triangle the legs are perpendicular
so
The area of a right triangle is equal to

where
a and b are the legs of the triangle
In this problem we have


substitute the values



Answer:
12 - p
Step-by-step explanation:
12 - p
A(x) = P(1.02)^x
A(x) = P(1 + 0.02)^x
A(x) = P(1 + r)^x
Therefore rate of change = 0.02 = 2%