Answer: y=-0.5x+4.5
Step-by-step explanation: y=mx+b, m is the slope = -1/2 or -0.5, and b is the y-int, which is 4.5
Answer: 4x = -8
Reasoning:
Multiply both sides by 4
Answer:one half
Step-by-step explanation:
Answer:
$9
Step-by-step explanation:
5 x 9 = $45
Or
9+9+9+9+9
Answer:
870
Step-by-step explanation:
Assuming you mean
30
Using the definition
n
= 
where n! = n(n - 1)(n - 2) ..... 3 × 2 × 1
Then
30
=
= 
Cancel the terms 28(27)... on numerator/ denominator, leaving
30
= 30 × 29 = 870