You would is this case use the perfect square rule. So your would squareroot 9r^2 and 25 to get 3r+5 then you would square this equation to get (3r+5)^2
Answer:
2.7
Step-by-step explanation:
x^2=5.8*1.3=7.54
x=V7.54=2.7
inital height is 2 meters
Step-by-step explanation:
Answer:
C ) She needs to save AT LEAST 20 months
Step-by-step explanation:
Half of her income each month is $250
m= months
250m ≥ 5000
m≥ 20