"Four more than a number is at least 22"

4 + x < 22

that's what the equation is

Step-by-step explanation:

a number just means a variable ex: x, y

at least is this : <

so 4 + x < 22

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d