Last year there were 15 porcelain dolls in Lanny's collection, after trading for a rare doll, she now has 12 dolls. What is the percent decrease of her collection?

Write the verbal statement as an equation. Then solve. 2 more than 3 times the number is 17.

Factor over the complex numbers, if possible: 12m2 + 27

8x to the 5th power (3x)

Jason needs to explain to his class how to use mental math to find the product of 400,000*50,000 how would u explain that

Which is the value of x that makes the given equation true? Show all the steps to prove your answer is correct. x - 3x = 2 (4 + x) a - x=-2 b - x=0 c - x=2

Use long division to convert the rational number to its equivalent decimal form. 0.25 0.125 1.25 2.5

Melanie has $35.00 in her saving account and does cleaning in a neighbor's house for $15.00 per week. Sue has no money saved, but is mowing lawns at $20.0 each. If sue mows 1 lawn per week, how long will it take her to catch up with Melanie?

Assignment Active Identifying and Describing Population Change Organism Number per square meter (1991) Number per square meter (1994) Number per square meter (1997) Unionid mussels are native to the Hudson River in New York State.

From 2010 to 2015, a group of researchers conducted an experiment using two types of pain medication: pill A and pill B.

What is 855,000,000,000 in scientific notation?