Karim sent a chain email to 10 of his friends. The number of people who got the email increases by a factor of 1.4 every week. Write an expression that best represents the

number of people who got the email after three weeks.

Secret Decimal Number Riddle I have 2 ones 22 hundredths 12 tenths What number am I?

What is 9/8 times 250 and also what is 1 1/6 times 250

The difference of two numbers is 685. The smaller of the numbers is 262. What is the other number?

A right rectangular prism has a volume of 48 ft3. Which of the following could not be the dimensions of the prism? l = 2 ft, w = 2 ft, h = 12 ft l = 2 ft, w = 4 ft, h = 6 ft l = 3 ft, w = 2 ft, h = 8 ft l = 4 ft, w = 3 ft, h = 3 ft

Prove n! > = 2^n-1 for all n in the naturals

How to solve 9 (2*+8) = 20 - (x+5)

3. Which decimal does the model represent?

The sum of the digits of a two-digit number is equal to 15. If these digits switch places then you will get a number that is 27 less than the original number. Find these numbers.

If you flip a coin 150 times about how many times would you expect to get heads

Madison had 187.56 in her checking accont. she deposited 49.73 and then used her debit card to spend 18.64. what is madisons new account balance?