Answer:
D. 1/5^15
Step-by-step explanation:
When an exponent is negative you need to get the reciprocal to make it positive.
A regular polygon has congruent sides.
An octagon has 8 sides of equal length.
P = 8s = 8 * 8 cm = 64 cm
Answer: 64 cm
Answer:
Answer: <u> </u><u>x²</u><u>(</u><u>5</u><u> </u><u>+</u><u> </u><u>4</u><u>2</u><u>x</u><u> </u><u>-</u><u> </u><u>3</u><u>0</u><u>x</u><u>²</u><u>)</u><u> </u>
Step-by-step explanation:

» First factorise out x²:

» Then factorise the second bracket using quadratic knowledge:

» The second bracket can not be factorised further because its roots/zeros are not whole numbers
Answer:
18225 cm²
Step-by-step explanation:
Divide 540 by 4 to get the length of all sides
540/4 = 135
Square 135 to get the max possible size
135² = 18225