Honestly if anyone could help be understand how to solve these by factoring, that would be great! Thank you!

1) Option 3

2) Option 3

3) Option 3

4) Option 1

5) Option 2

6) Option 3

7) Option 1

Step-by-step explanation:

1)

Lets split the middle term.

∴

2)

Lets split the middle term.

∴

3)

∴

4)

∴

5)

Lets split the middle term.

∴

6)

Lets split the middle term.

∴

7)

Lets split the middle term.

∴

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6