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4x²–9 = (px + t)(px - t)

 

In the equation above, p and t are constants. Which of the following could be the value of p?

If x and y are positive integers, which of the following is equivalent to: (2x)^3y – (2x)^y ?

Which of the following is NOT a solution of the following inequality?

 

3x – 5 ≥ 4x – 3

If a child has approximately a pounds of muscle for every 5 pounds of body weight, approximately how many pounds of muscle does a child weighing k pounds have?