Answer:
distributive property
Step-by-step explanation:
(3x + 7) + (2x + 8)
each of the parenthesis has a multiplier of 1 , placed outside the parenthesis.
then multiplying the terms inside the parenthesis by 1 gives
3x + 7 + 2x + 8
The 30th term of this sequence would be 248
I hope this helps you
(x-5)(x+1)
Answer:
see work attached and shown
Total cost=variable cost+fixed cost
variable cost=1.25 times x or 1.25x
fixed cost=3
y=1.25x+3
f(x)=1.25x+3 is da rule