How do you remember the difference between supplementary and complementary angles i can never remember what adds up to 90 or 180

The table above shows approximate conversions from gallons to liters. what is the value of x?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?