A raiz da equação 2x - 1 = - 3, é: ( U = Z)
A) - 1
B) - 2
C) + 4
D) - 3

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9