Answer:
45 mph the the middle one
Step-by-step explanation:
i did the same one and got 45 and its right
7 to the 10 power would be 70
Answer:
(-1,6)
Step-by-step explanation:
The missing part of this question is the system given as;


We solve for c in the top equation to get:

Substitute
into the bottom equation to get:

Expand to get:

Group similar terms to get:



Put
into
to get:


The solution is (-1,6)
I think it’s 3 I’m not sure