Prove: The square of the sum of two consecutive integers is odd.
(n + (n + 1))2 = ([ ? ]n + 1)2
= [ ]n2 + [ ]n + [ ]
= 2 ]n2 + [ ]n) + 1
= odd

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?