By what percentages are Sweden's high category and medium category less than the United States' categories (to the nearest percent)? High category =

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.

Use set buikder notation to represent the following set: {, -2, -1, 0}

What expression is equivalent to 1/2(2+3x-6)