Use your answers from Questions 3 and 4 to help you answer this question. How many more pounds of carbon dioxide need to be removed from the air for the class to achieve its goal? Support your answer using words and numbers.

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

Determine the relationship of ab and cd given the following points

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.