If the half-life of a radioactive material is 500 years, how much of the material will still remain after 1500 years?

1/3

1/4

1/8

1/2

What is 27.88 : 8.2 work?

4 units 2 units ea What is the area of the square that shares a side with the third side of the triangle?

A sphere has a radius of 5 cm what is the volume? a. 62.8 cm^3 b. 314.2 cm^3 c. 523.6 cm^3 d. 1570.8 cm^3

The annual median income for and entry level auto mechanic is $33,934. The annual median income for a senior auto mechanic is$50,856. how muchmore can a senior mechanic auto earn than an entry level auto mechanic over 10 years

How many minutes equal 5.4 days? a. 7776 b. 1440 c. 1296 d. 3888

What is the least common multiple of 4 and 10?

A high school athletic department bought 40 soccer uniforms at a cost of $3000. After soccer season they returned some of the uniforms but only received $40 per uniform.

A 1. Given f (x) = 2x + 1 and g (x) = 3x + 1, find: a) f (3) b) g (f (3)) c) g (3)

Ruby has a collection of 16 stuffed animals. She gives 1/4 of her collection to her younger brother. Then she gives half of the remaining animals to her baby sister. How many animals does Ruby give her sister

What is a decimal equivalent of the fraction 32/45