Answer:
4
Step-by-step explanation:
Lets start by plugging in our (a) value
a^2 + 5a + 4
(-5)^2 + 5(-5) +4
25 - 25 + 4
0 + 4
4 is your final answer!
D because both sides have a length of 5
Answer:
3
-3
sqrt(9)
-sqrt(9)
Step-by-step explanation:
What number multiplied by itself will give you 9
3*3 =9
-3*-3 =9
sqrt(9) * sqrt(9) = sqrt(81) = 9
-sqrt(9) * -sqrt(9) = + sqrt(81) =9
Answer:
In standard index form a number is written firstly with a sign (if negative) followed ... by a power1 of 10. Powers of 10. Non-negative powers of 10. 100. 1. 101. 10.
Step-by-step explanation:i hope it helps