21,000 rounded to the nearest 10,000

The non-right angles of a triangle are in the ratio 1 : 5. What are the measures of the 3 angles?

If x is two x3 plus x

Geri ran in a marathon race. It took her 3 hours and 28 minutes to run 26 miles. How many minutes did it take her to run 1 mile if she ran at the same rate for a whole race? (1 hour = 60 minutes)

Match each polynomial to the term that does not change the polynomial's classification when added to it.

One T-shirt is sold for every 5 people who attend a concert. What is the ratio of people to T-shirts sold? The ratio of people to T-shirts sold is to .

How many 1 3/4 foot pieces of ribbon can be cut form piece of ribbon that is 36 feet long

There are 5 radar stations and the probability of a single radar station detecting an enemy plane is 0.55. What is the probability that the number of stations that detect a plane is no more than 3? Round your answer to nearest hundredth

Which of these is a solution to the equation 2 (x - 5) = 9 - 3 x + 6 + 8 + 3 x + 7? x = 80 x = 20 x = 40 x = 10

What are 3 expressionsthat ate equivalent to 12x + 8y

What is m<2 if m<3 = 52