Answer:
f(-2) = -4x + 6
Step-by-step explanation:
f(x) = 2x + 6
f(-2) = -2(2x) + 6
f(-2) = -4x + 6
I know its a long problem but i have to shiw how i got my answer.
Answer:
24
Step-by-step explanation:

Negative and another negative makes a positive.

Add the fractions first.

5/5 is equivalent to 1. 7 5/5 becomes 8.

Add the numbers.

I hope this helps!
The above questions answer is 8 and 14
20 minutes
Because-
If he did ten more minutes then friday just do 30 - 10 whih 20 mins