Last years spell-a-thon spelling test for first grade class had 15% more words with with four or more letters than this years spelling test. Next year , there will be 5% less than this year . What percent more words have four or more letters in last years test than next years?

What graph correctly matches the equation y equals two negative x

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12