All organic matter contains carbon 14 a radioactive substance. An organisms level of carbon 14 begins to decrease when it dies. A museum has a fossil and you know about how old it is. To determine what percent of carbon 14 levels are in the fossil, what number do you substitute for b in the half life formula y=b(1/2) to the t/h power

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172