Which of the following equations shows how substitution can be used to solve the following system of equations? {=2+32+5=3
{y=2x+32x+5y=3

2x + 5y = 2x + 3

2(2x + 3) +5y = 3

2x + 5(2x + 3) = 3

y = 3

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.