A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49. 77. How much was the tip in dollars'.

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a