B+ 7 + 12 = 13 ? tell me how you did it!

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle