Suppose A and B are sets such that A∪B has 20 elements, A∩B has 7 elements and the number of elements in B is twice that of A. what is the number of elements in A? and B?​

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

The label on the car's antifreeze container claims to protect the car between ? 40°c and 125°c. to convert celsius temperature to fahrenheit temperature, the formula is c = 5 over 9 (f ? 32). write and solve the inequality to determine the fahrenheit temperature range at which this antifreeze protects the car. ? 40 > 5 over 9 (f ? 32) > 125; ? 40 > f > 257 ? 40 < 5 over 9 (f ? 32) < 125; ? 40 < f < 257 ? 40 < 5 over 9 (f ? 32); ? 40 < f 5 over 9 (f ? 32) < 125; f < 257

Describe how you can act financially responsible.