Which expressions are equal to 10+10?

10×2=20

Step-by-step explanation:

if you count bye tens you will get 20 hope that helps

9+11

8+12

7+13

6+14

5+15

4+16

3+17

2+18

1+19

0+20

Step-by-step explanation:

What expressions are equal to 20.

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1