Guys how to IIdentify a rational and not rational expressions and why?

Ocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn's estimate?

If the side length of a square is 7.2 inches what is the area of the square

How do you write 600,000+80,000+10

A bag of candy contains 250 pieces, of which 24% are dark chocolate. How many pieces are NOT dark chocolate? A. 60 B. 90 C. 150 D. 190

Dan has a favorite number. His number has the digit 8 in the ones place and 5 in tens place. What is Dan's favorite number.

What is 1175 - 766= think you very much

Taylor wants to paint his rectangular deck that is 42 ft long and 28 ft wide. A gallon of pain covers 350 sq ft. How many gallons of pain will Taylor need to cover the entire deck? Write and solve an equation to find the area of the deck.

Differentiate 3y=xe^5y

What is 2/8+1/6 in the simplest form.

Sarah has gone to work for 60 days. On 39 of those days, she arrived at work before 8:30 A. M. On the rest of the days she arrived after 8:30A. M. What is the experimental probability she will arrive after 8:30 A. M.