What is pi and its definition and what is the area of a circle and its definition

What does a obtuse angle look like

A baby weighed 7.25 pounds at birth at the end of eight months the baby weighed 2 1/2 times it's birth weight how many pounds did the baby weigh at the end of eight months

How do you solve 2x-5=11?

A 6-foot tall man makes a shadow that is 3 1/2 feet long. How tall is a building that makes a 14 7/8 foot shadow? 8.68 feet 1.41 feet 52.06 feet 25.5 feet

What is - 0.48+7/5? explain

How do I simplify the radical: square root of 324

Checks that have been processed by the bank are no longer negotiable are

Why is 21 over 30 bigger than 2 over 3?

9 weeks 5 days - 1 week 6days =

319.85 and 412.99 percent markup round to the nearest whole percent