Answer:
y=-5
Step-by-step explanation:
It is good equation. Look, that:
81 = 3 x 3 x 3 x 3 = 3^4.
So you have to solve:
3^x = 3^4
exponents have to be the same, so
x=4
That's mean that A(4) = 81
Answer:
Step-by-step explanation:
1.44x2.2=3.168 pounds
y = mx + b
I mean, thats the formula? :/
The interest is simple
A=5,200×(1+0.04×5)
A=6,240