Cutting fabric to make a triangular scarf. Which of the following could be the lengths of the
three sides of the scarf?
A. 12 in, 13 in, 25 in
B. 21 in, 17 in, 5 in
C. 12 in, 10 in, 24 in
D. 18 in, 7 in, 5

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

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)

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high

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step-by-step explanation: