(predicted value - exact value)/exact value * 100
(31 - 34)/34 * 100 = 8.8%
Answer:
√7 units, √98 units
Step-by-step explanation:
Pythagorean theorem
a^2+b^2=c^2. So 9+b^2=16. So b^2=7. So b=√7
a^2+b^2=c^2. SO 49+49=c^2. So 98=c^2. So c=√98.
The y-intercept represents the flat charge to hire the plumber
Explanation: The y-intercept is 0 hour, which can represent flat charge
13-x = 13- x
theres is no answer for that x its a variable and 13 is a constant so is just 13-x
