Fred withdrew $20 from his checking account on Monday. He withdrew another $20 from the account on Friday. Which expression shows how the balance of Fred's checking
account has changed?
02(-20)
02 - 20
20 + 20
20 - 20

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Solve: 3x+y=6 4x-2y=18 show all work !

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.