6 * 7 = 42 so then you take and divide
42/3 = 14
Answer:
- 439
Step-by-step explanation:
- s ( x ) = 2 - x²
- t ( x ) = 3x
- s ( t ( -7 ) ) = ?
--------------------------
- t (-7) = 3 * ( -7 ) = -21
- s ( t ( -7 ) ) = s ( -21 ) = 2 - ( -21 )² = 2 - 441 = - 439
- s ( t ( -7 ) ) = -439
Answer:

Step-by-step explanation:
Given


Required

First, calculate 
We have:

This gives:

Substitute 


Substitute 



Split

This gives

Answer:
5. 8/6x + 2
6. -4x - 2
7. y=3
Step-by-step explanation:
Answer:
n+18
Step-by-step explanation:
A number n just means a variable n, and since we are increasing it (or adding to it), by 18, it is n+18