Which expressions are prime polynomials? +4 + 3y2r – 1
x2 - 9x +3
13 – 512y3
9y – 4y2 + 12y3
12 – 3r – 10

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base