Samuel needs 233 feet of wood too build a fence .the wood comes in lenghs of 11 feet.

22 units of wood

Step-by-step explanation:

21 x 11 = 231

22 x 11 = 242

You need 22 units of wood because with 21 units there is not enough wood by 2 feet.

where is the image?

step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)