If my name have 5 letter and my sister has twice as many how many letter does she have?

10

Step-by-step explanation:

5x2=10

10

Step-by-step explanation:

5 x 2

= 10

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look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).