Chris writes the expression -3(x-6) + 12x-(8x+3). which of these are equivalent expressions

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

What is the definition of a surd.give an example.