A hiker in Africa discovers a skull that contains 32% of its original amount of C-14. Find the age of the skull to the nearest year.

Which situation below has a negative correlation? A. The more a student studies, the higher the test grade. B. The younger the child, the smaller the shoe size. C. The longer you exercise, the more you sweat. D.

George collects baseballcards there are 20 in a pack and he has 1000 cards how many packs does he have in all

What is the equation for the slope of a line

James blish wrote a new Star Trek book. He receives 5% royalty based on total sales of the book. The book will sell for $10.00. Based on previous book sales, it is estimated gross book sales will be $4,045,300.

What is one whole minus 3/8

Find all the real square roots of - 9/16 a. no real root b. - 3/4 c. - 3/4 and 3/4 d. 81/256

a car has 15 gallons of gas in its tank the car travels 35 miles per gallon of gas how much gas does the car used to go 100 miles

Identify all factors of the expression 4x^2+17x-15 a. 2 b. 3 c. x - 5 d. x + 5 e. 4x - 3 f. 4x + 3

Factor out the common terms 6m - 21p

local bank employs 36 individuals of which 15 are smokers. What is the ratio, in simplest form, of the non-smokers to the total number of employees at the local bank?