1)Escreva o conjuto das partes de cada um dos cunjuntos abaixo: a)A={ } b)B={a}
d)D={a, b,c} c)C={a, b}
e)E={a, b,c, d}

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

What function has a range {yly< 5}? question on picture above^

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25