Answer:
824
Step-by-step explanation:
the answer is 824
Answer:
average speed of hiker is 2.4 mph
Step-by-step explanation:
here is the solution : -
=》

=》

=》

average speed of hiker is 2.4 miles per hour
Answer:
a and b are positive
Step-by-step explanation:
We are given that


We have to find that a and b are positive or negative.
We have

It means b is positive and greater than 4.

Adding 3 on both sides



Hence, a is positive and greater than 4.
Therefore, a and b are positive
the 2 negatives get rid of eachother so its 2
2
Answer:
-19
Step-by-step explanation:
-3+10- (-4) × (-5)+(-6)
-3+10+4 × (-5)-6
4×(-5) = -20 -3+10-20-6 = -19
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