Answer:
I would do C because 2/3 is close to a whole so then you would get -3 and 1/4 is close to 0 so just keep 18 the same which would be -18 so -18 divided by -3 would be correct
Step-by-step explanation:
Answer: First Option is correct.
Step-by-step explanation:
Since we have given that
Number of hours Chance can wash the car = 2 hours
Number of hours Sandy can wash the car = 4 hours
Work done by Chance per hour is given by

Work done by Sandy per hour is given by

Work done by altogether per hour is given by

So, Number of hours they take if they together wash the car is given by

Hence, First Option is correct.
Answer:
(30/40)*(29/39) = 29/52 =~ 0.55769
Step-by-step explanation:
The probability is calculated assuming the cars were chosen without replacement .
Answer:
It is the easiest way to graph an equation.
Step-by-step explanation:
Isolating the y variable is also slope-intercept form.
Slope intercept form is the easiest form to use when graphing.
y = mx + b
m is the slope, b is the y-intercept.
it makes it way easier to graph an equation when it is in slope intercept form.
I hope that helps! =)