Which expressions are equivalent to the one below? check all that apply. 21^x/3^xa.(21-3)^xb.7c.7^xd.(21/3)^xe.7^x*3^x/3^xf.3^x

The equivalent expressions are:

C.

D.

E.

Step-by-step explanation:

We are asked to find the algebraic expression that is equivalent to the expression:

A)

We know that this expression is incorrect.

Since,

B)

7

This option is also incorrect.

Since,

C)

This option is true.

Since,

D)

This option is true.

Since,

E)

This option is correct.

Since,

F)

This option is incorrect.

Since we get a expression as:

but not

El acrónimo SSA (side-side-angle) se refiere al criterio de congruencia de dos triángulos: si dos lados y un ángulo no incluido entre ellos son respectivamente iguales a dos lados y un ángulo del otro entonces los dos triángulos son iguales.

Step-by-step explanation: