What is the answer to this math problem 3/10+2/5

The manager of a night club in boston stated that 95% of the customers are between the ages of 21 and 27 years. if the age of customers is normally distributed with a mean of 24 years, calculate its standard deviation.

Explain how you con use place value pattern to describe how 50 and 5000 compare

What is - 2/3 divided by 2 1/4=?

What can go into 18 and 36

Select the approximate values of x that are solutions to f (x) = 0, where f (x) = - 9x^2 + 7x + 2

If triangle abc congruent to triangle def how do you know that

The sum of 3 consecutive integers is 84. find the numbers

30% of 500 round to the nearest hundredth

How do I find the area of a triangle with the side being 12

The interquartile range of a data set is 10 units. What does this represent?