Is 1.47 irrational or rational

What is (3*3) + (42:7+6) equal to?

In 2008, the population of 10-to 14-years-old in the United States was 20,484,163. Write this number in expanded form

What has a sum of 20 and a difference of 4

A mandatory competency test for high school sophomores has a normal distribution with a mean of 400 and a standard deviation of 100. if the top 3% of students receive $500, find the minimum score you would need to receive this award.

A house purchased five years ago for 100,000 was just sold for 135,000 assuming eponteniol growth approxmate the annual growth rate rate to the nearest percent

How do you add 1/3 plus 4/10

A 9-cm chord is 11 cm from the center of a circle. What is the radius of the circle? C. 13.0 cm B. 11.9 cm A. 9.0 cm D. 14.2 cm

What is the percent of change from 180 to 387

A value one standard deviation from the mean is less likely to occur than a value three standard deviations from the mean. True or False?

Eight times what equals 565