Which are the like terms in 4x3 – 7x2 + x + x3?

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?