An element with a mass of 630 grams decays by 30% per minute. To the nearest minute, how long will it be untill there are 30 grams of the element remaining?

What is the x-coordinate that is 8 units left of (3, - 2) ?

Find a and b so that ax+bx+1 has an x-intercept of 6 and a y-intercept of 8

Laura is working on an art project she needs a rusty iron nail for her art work so she places a shiny new nail outside in it wet locations how will the air and water change the nail

The product of two numbers is 14. One of the numbers is d. What expression represents the other number

We wish to study the quality of our production line. We take a random sample of 1000 widgets from our line. A quality rating was determined for each of the 1000 widgets, and the average quality rating in the sample was 4.

Use the following for long division x^2+3x+1sqrt 3x^4+7x^3+2x^2+13x+5

A number plus 17 is 25

293.08 + 14 + 2.719 =

The factory workers make 751 toys per day if they work 5 days per week how many toys will the workers make in 3 weeks

Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?