<em> a₁ is the first term, d is the difference, and n is the term</em>
a₁ = -5
d = -5
<em>explicit formula</em>
<em>recursive formula</em>
Answer:
Step-by-step explanation:
those angles are congruent because they are vertical angles
6x+4 = 58 ; subtract 4 from both sides
6x = 58-4 ; combine like terms
6x = 54; divide both sides by 6
x= 9
40
4a+6
9(a^2+14/3)^2-14/3+49
9(a^2+14/3)^2+7