Answer:
300
Step-by-step explanation:
451 rounded to the nearest 10 is 450
149 rounded to the nearest 10 is 150
450 - 150 = 300
point b is at 5,-3
you have to go 5 past and .5 up
Y=168
Y varies directly as X
Y=kx
K is a constant
28=k2
K=28/2 =14
Y=14x
Y=14×12
Anything (except 0) to the 0 power is equal to 1.
8^0 = 1
(-8)^0 = 1
24781297429879741^0 = 1