Answer:
true
Step-by-step explanation:

* substitute 30 for x *

we're left with 15 < 20 which is true
Answer:
n = 21
Step-by-step explanation:
Given
n + 19 = 40 ( subtract 19 from both sides )
n = 40 - 19 = 21
Answer:
h is a function
Step-by-step explanation:i know that h is a function i just dont know why
Answer:
<h2>: 7-⁴</h2>
Step-by-step explanation:
<h3>Exponential Form :</h3><h3>(a^m*a^n ) = (a^m+n )</h3>
<h3>7^-6 = 7^-2 * x </h3>
<h3>(only 7^-4 the term that can add to 7^-2 gives </h3><h3>= 7^-6 )</h3>
<h3>7^-6 = 7^-2 + 7^-4 </h3>
<h3> ( a^m*a^n) = ( a^m+n)</h3>