3) please help . Simplify. 5(x - y) - (x - y)

A. x - y

B. x + y

C.4x - 4y

D. 4x + 4y

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day