Answer:
$4,224
Step-by-step explanation:
P(principal)=$4,000
R(rate)=1.4%
T(Time): 4 years
A=4,000×(1+(0.014×4))=$4,224
A=$4,224.00
So, Sarah will have $4,224 of interest in 4 years.
Answer:
55
Step-by-step explanation:
3p²+7
= 3 ×4²+7
= 3× 16+7
= 48 +7
=55
Answer:
±sqrt(7) = r
Step-by-step explanation:
21 = 3r^2
Divide each side by 3
21/3 = 3r^2/3
7 = r^2
Take the square root of each side
±sqrt(7) = sqrt(r^2)
±sqrt(7) = r
