<span>so your equation would be 2x-3=-1 then your answer would be -1
</span>
Answer:
3. 6.40
Explanation:
Answer:
40mph
Step-by-step explanation:
(60mph+20mph)/2
40
Answer:
16. 
17. 
18. 
19. 
Step-by-step explanation:
Equation is
where k is a constant of proportionality.
16.

So, equation is 
17.

Equation is 
18.

Equation is 
19.

Equation is 
Answer:C and D
Step-by-step explanation: Hope this helps