Question 9 (Mandatory) (1 point) Listen 9. Isolation joints allow a slab to O a. Move vertically Ob. Move horizontally O c. Move vertically and horizontally O d. Expand Question 10 (Mandatory) (1 point) Listen 10. Which of the following is not a hot weather precaution? Oa. Start curing as early as possible O b. Use an accelerator O c. Saturate the subgrade O d. Avoid overmixing Question 11 (Mandatory) (1 point) Listen 11. Regardless of other influences, the mix water requirement as the temperature rises. Oa. Goes up Ob. Goes down Oc. Remains the same Od. Changes dramatically