C I guess sorry if I get you a low score
You need to isolate p:
1.4 divided by 0.7 = 0.7p divided by 0.7 (this eliminates 0.7)
2 = p
168/56 or 3. 21/8 times 8/7 equals 168 over 56. Also can be 3
The domain is all real numbers, since x can be any number and create a y value
This can be written in a few ways, including:
X:X
X: R
-(infinity sign) is less than or equal to X is less than or equal to (infinity sign)
.8 it represents .80 cents. rather than .08 which would represent 8 pennies