The half-life of a radium isotope is 1,600 years. after 4,800 years, approximately how much of an original 10.0kg sample of this isotope will remain

What are the coordinates for y=-2x²+3

Alice earned $500 per week. What graph shows the relationship between the number of weeks worked and the total amount earned?

How to tell if an equation is independent dependent or inconsistent?

How can you change a percent to a fraction? How can you change a percent to a decimal? How can you change a decimal to a fraction?

How to transfer a decimal to a fraction or mixed number?

Abcd is a rectangle with b (-5, 0), c (7, 0) and d (7, 3). find the coordinatesof a.

Mary can make a costume twice as fast as Sam can. If they both work together, they can make it in 6 hours. How long will it take Mary to make the costume if she works alone?

An equiangular triangle is also known as: acute right. regular obtuse

Three friends each bought a different ipod nano music player the total for the three purcheses was $375 Thomas paid 30 more than Megan Ryan paid 15 less than Megan how much did each person pay

Trignometric ratios