A sample of rock is found to contain 100 grams of a parent isotope. How many grams of the parent isotope will remain after two half-lives?

Answer

50

100

75

25

What is the degree of the polynomial 5x + 4x^2 + 3x^3 - 5x? a. 1 b. 2 c. 3 d. 4

An employee of a grocery store is placing an order for soda. There are 8 varieties of soda and they are sold in cases. Each case contains all the same variety of soda. The store will order 50 cases total. a.

Solve for x in the equation x2+14 x+17=-98

How do I find the answer to the problem - 1/2=y-1

olive walks at a rate of 4 miles per hour. She lives two miles from the news news station. How long will it take her to walk home from the news station?

2/5da80% como ahora la cuenta

Mike has to choose betweeb two jobs. A job as a driver will pay him an initial weekly payment of $500 plus $10 per hour worked. A job as a landscaper will pay him an initial $300 plus $15 per hour worked.

A plumber uses 16 inches of tubing to connect each washing machine in a install 18 washing machines. How many yards of turbing will he need?

How do i simplify the square root of 50

Two towns are 1250 miles apart. A group of hikers start from each town and walks down the trail toward each other. They meet after hiking 200 hours. If one group travels 2 1/2 miles per hour slower than the other group, find the rate of each group.