If the lines x+y=5 and 2x +2y+6=0 are parallel, find the distance between them

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5