Answer:
12
Step-by-step explanation:
Plug the given values into the equation to solve.
a² - b²
(4)² - (-2)²
16 - 4
12
Answer:
9x+14y
Step-by-step explanation:
First Multiply the number outside of the brackets with the numbers inside the brackets. Ex:3 x 3x and 3 x -y
17y-2x+3(3x-y)+2x
That should get you to this.
17y-2x+9x-3y+2x
Next combine like terms.
14y+9x
Hope this helps!
Answer:
Grids b and c have 25% shaded
Step-by-step explanation:
a) shaded = 5/16 = 31.25%
b) shaded = 4/16 = 25%
c) shaded = 5/20 = 25%
d) shaded = 3/10 = 30%
Liar. This is only worth 5 points!!!!!!!!!!!!!!!!!!!!
