If the mean salary is $50,000 and the standard deviation is $3,200, what is the salary range of the middle 70 % of the workforce if the salaries are normally distributed?

How do find a scale factor?

The rockford's have a square play area that is built around a center sandbox that is in the shape of a circle. the sides of the play area are tangent to the circle. they want to determine the amount of grass seed to but for the spring.

If f (x) = - 2x2 + x - 5, what is f (3) ?

This is the arc formed where a central angle in a circle intersects the circle itself.

What is 3.405 written in expanded form?

26/130 in simplest form

The smiths spend 8% of their budget on entertainment. Their total budget this year is $2000 more than last year and this year they plan to spend $3840 on entertainment. What was their total budget last year?

You need to guess on a multiple-choice question that has four options. What are the odds that you choose the correct answer? 1/3 3/1 1/4 4/1 note * i picked 1/4 the first time and it was wrong so im confused

One year there was a total of 84 commercial and noncommercial orbital launches worldwide.

Given a dilation with the origin O (0, 0), by observation determine the scale factor "K." DO, K = (5, 0) (15, 0) What is the scale factor K