Do you know the longest English word that can be spelled without repeating any letter

Express the series using sigma notation 5 - 10 + 20 - 40 + 80 - ...

11x - 2 Find x from

What Is the sum of 6/1 and 4/1

0.396 divided by 0.111

There is a fraction of 7/8 how do I divide that

Andrew is home one winter day studying for an exam. It is lunchtime and he is hungry. Instead of making a sandwich from roast beef in the fridge, he drives to Taco Bell and spends $4 for 2 tacos, a burrito and a Dr. Pepper.

4 times the difference of a number and 2 is 13 A.) 4x-13=2 B.) 4 (x-2) = 13 C.) 4=13 (x-2) D.) 4x-2=13

Change 530% to a fraction

What is the answer to -4+6p-16=3p-5p

Sara, Kim, and John own a painting company. To paint a particular home, Sara estimates it would take her 4 days. Kim estimates 5.5 days. John estimates 6 days. How long would it take them to work together to paint the house.