I don't know how to find the value of the missing variable

Which of the following is an arithmetic sequence? A. 1,1/2,1/4,1/6, ... B. - 2,3,8,13,18, ... C. 4,-4,4,-4,4, ... D. 1,1,2,3,5,8, ...

Find the range for these numbers. 12, 9, 24, 24, 37, 18,9,6, 24 A. 6 OB. 18 O c. 24 OD. 31 O E. 37

Mrs. ward has a bag of candies for her class. If she gives each student 8 candies, she will have 4 candies left. If she only gives 5 candies to each student, she will have 40 candies left. How many students are there in the class?

Last week gas cost $2.89 per gallon. This week the price of gas is $1.99 per gallon. What is the approximate percent of increase or decrease?

If you deposit $900 in an account that pays 5% annual interest compounded continuously, what will the balance be after seven years? A. $1,832.06 B. $1,277.16 C. $932.06 D. $29,803.91 ... ?

What is equivalent to 1/9

A circle is centered at (5, - 9) and has a radius of 12. Which of the following is the equation for this circle? (x - 5) 2 + (y + 9) 2 = 12 (x - 5) 2 + (y + 9) 2 = 144 (x + 5) 2 + (y - 9) 2 = 144 (x + 5) 2 + (y - 9) 2 = 12

a scientist observing a dish of cells. The dish contains six cells that are splitting every second. which function represents this situation

What is bigger 87 or 13.688

Find the maturity value of a loan of $18,000 for 3 years at 8%.