What is blank divided by 4 equals 9

For this case, the first thing we are going to do is define a variable.

We have then:

x: unknown number

We now write the expression that models the problem:

From here, we clear the value of x.

We have then:

36 divided by 4 equals 9

the answer is b.)

< 1=< 2

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation: