Answer:
73 and -23 hope this helped hon :)
Step-by-step explanation:
y=-8x+9
plug in -8
y=-8(-8)+9
y=64+9
y=73
y=-8x+9
plug in 4
y=-8(4)+9
y=-32+9
y=-23
Answer:
9
Step-by-step explanation:
2 = -7 + s -->
9 = s
Answer:
Null hypothesis: ∪ₐ = ∪ₓ
Alternative hypothesis: ∪ₐ ≠ ∪ₓ
Step-by-step explanation:
Null hypothesis: ∪ₐ = ∪ₓ
Alternative hypothesis: ∪ₐ ≠ ∪ₓ
where ∪ₐ represents mean of sample of new cars and ∪ₓ represents mean of sample of older cars.
Using a difference in means t test will help determine if new owners tune up their cars more frequently than older car owners.
(355*7)+2
=-2,487
(92*7)+4
648
2,487-648
1839/7
=262 and 5/7
Hopefully this helps you
- 23 and - 24
note that negative numbers are smaller than positive numbers.
The 2 negative numbers in the list are - 23 and - 24
and their sum = - 23 + (- 24 ) = - 23 - 24 = - 47
