Answer:
the best answer would be 5
Step-by-step explanation:
Answer:
do the following
Step-by-step explanation:
subtract the 2nd equation from the 1st....
x-2y = 14
-(x+ 3y = 9)
______________
-5y=5
y= -1
since you know that y is = to - 1 pick the 3rd answer
Answer:
goodluck
Step-by-step explanation:
The answer is: H0: μ = 76.4 versus Ha: μ > 76.4, where μ = the true mean height of all trucks.
