Is - 9.1234567 ... rational or irrational?

My number is 10 less than 10 whats my number

Find P (A ∩ B′) when P (A ∪ B) = 0.8, P (A) = 0.5 and P (B) = 0.4

A movie is 2 hours and 28 minutes long it starts at 7:50 a. m. at what time will the movie end

Shawn and Ellie are construction workers. Shawn can complete a concrete job in 4 hours, while Ellie can complete it in 6 hours. The foreman says that it will take them 5 hours to complete it if they work together.

What is the area of an equilateral triangle that has a side length of 10 inches?

3.14 times 8 to the power of 3 divide by 4/3

The equation x + y = z relates the whole numbers x, y, and z. How does z compare to x? Y is z less than x. Y is z more than x. X is y less than z. X is y more than z.

Starting at age 50, a woman puts $1700 at the end of each quarter into a retirement account that pays 7% interest compounded quarterly.

The mean and the standard deviation of the sampled population are 225.8and 17.8 respectively. What is the mean and standard deviation of the sample mean when n = 25?

Rachel rounded 16,473 to the nearest hundreds Danci rounds her answer to the nearest thousands what's the final number