This sum is difficult than that one​

What is written in the preamble to the constitution? a. a list of reasons why the constitution was written b. the consequences of and penalties for ignoring the constitution c. a list of new laws added to the constitution accompanied by detailed explanations d. a guide explaining how to interpret and navigate the constitution

Which sentence uses the past tense of to study correctly? a. mark is studying for his math test with margie. b. mark will study for his math test with margie. c. mark studied for his math test with margie.

When greg came home for lunch, he realized that his air conditioner was broken. fragment, run on or complete sentence?