Answer:
Isabella earn 
more money than Gabriel
Step-by-step explanation:
As we know
Compound interest (CI) 
P is the principal amount
t is the time period
n is the number of time periods
r is the rate of interest
a) CI for Gabriel
dollars
b) CI for Isabella
dollars
Isabella earn more money than Gabriel
Answer:
y = 4x + 2
Step-by-step explanation:
y = mx + b
m is the slope
b is the y-intercept
Answer:
The pattern is that each time, 8 is added. The next 2 numbers are 47, 55.
Step-by-step explanation:
7+8=15
15+8=23
23+8=31
31+8=39
39+8=47
47+8=55
anything multiplied by one is itself, anything multiplied by zero is zero
The answer is 820 (520+300)
