The half-life of a radioactive element is five years. a scientist has 18 grams of the element. the equation representing the number of grams, g, after x years is what is the annual rate of decay

Which choice could not be a set of intervals for a frequency table of histogram? A) 1-3, 4-6, 7-9, 10-12, 13-15 B) 0-3, 3-7, 8-11, 11-14, 14-17 C) 1-4, 5-8, 9-12, 13-16, 17-20 D) 1-6, 7-12, 13-18, 19-24, 25-30

In how many ways can the triangle ABC be named?

What is 75 percent of 280

The word problem has too much information. Which facts are not needed to solve the problem? Check all that apply. The roller coaster is the most popular ride at the fair. It has 3 loops, a tunnel and 8 hills.

What's the difference of dependent variable and independent variable

Can someone tell me how to work out this problems and ones similar to it? Jack has $16 in a savings account. The interest rate is 5% per year and is not compounded. How much will he have in 1 year?

How would you find the area of a chair?

Answer the questions about the following sets: D = x; C = x is a person allergic to cats; P = x is a person allergic to pollen How many people are not allergic to any of the three choices? How many people are allergic to all three choices?

How to make y=-9x+8 and y=8x-9 equal

X - 2y = 14 x + 3y = 9 (1, 12) (-1, - 12) (12, - 1) (12, 1)