Which could be the first step in simplifying this expression? Check all that apply. (x®x 62
O(x-1872
(x-3)2
(x-2)2
xx-12

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

What is 10+10+20 about the origin the square root of a triangle.

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.