A number, truncated to 1 dp, is equal to 11.9, what are the upper and lower bounds

WHat is derivative of x^x^x^x

What is the circumference of a circle with a radius of 56 feet? feet (Use 3.14 for Pi.)

A recipe that serves 6 uses 1 1/4 cups of flour. How many cups are needed to serve 8?

Devin wants to add a street lamp to his model railroad layout. How tall should the model be if the real street lamp is 315 inches and the scale factor is 1:90?

Rita gets paid 16$ per hour for the first 8 hours she work every day.

Identify the level of association and correlation in the scatterplot.

A manager is putting together a team of employees to tackle a special project. The team will consist of a team leader, an assistant to the leader, and 4 other team members whose positions are interchangeable.

Bob just turned 66 years old and is considering retirement. His average annual salary over the last 35 years is $50,760. Assuming that he will receive 42% of his average salary, what will be his annual Social Security benefit?

Given that f (x) = 13x^2+156, find x

Write an inequality. A cold wave hit Chicago when the temp. hit 62 degrees. During the cold wave, the temp. dropped 2 degrees every hour. How many hours was it before the temp. was below 40 degrees?