Find the value of a so that x= -7 is the solution to the equation below.
1=[-2x]+a+5x

What is the standard form of -5x^2+2x^4-11+x^3+3x

For the inequality |c| < |d| to be true, which of the following must be true?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom