Which expressions are equivalent to 7-2 • 7^6

Step-by-step explanation:

which expressions are equivalent to 7-2 • 7^6  

56  Step-by-step explanation: You have to substitute 6 for a because it says, "Which expression is equivalent to 7(a+2) when a=6"  7(a + 2)    

7(6 + 2)

42 + 14

= 56

17

Step-by-step explanation:

This is an isosceles triangle. However, it doesn't really matter since ALL TRIANGLES HAVE A SUM OF 180 DEGREES.

Now that you know that, you can add up all of the angles and set it equal to 180.

Now solve for x

The value of x is 17.