Aclass has 30 people at the beginning of the school term but now has five pupils what is the percent of increase

Explain how you can use the associative property to evaluate (7x50)x4.

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams

Of the 50 us states 4 have names that start with the letter w