What are the values of a and b in the equation (4 x Superscript a Baseline) Superscript b Baseline = StartFraction 256 Over x Superscript 8 EndFraction? a = 2, b = 4 a = negative 2, b = 4 a = negative 2, b = negative 4 a = 2, b = negative 4

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

Which rational number could be graphed between -4 and -5

We just started the introduction into circles and i have no idea how to do this.