In the diagram below, lines AB and CD are A.
90
B
skew
O B. perpendicular
O C. parallel

What is the total surface area of this square pyramid?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

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?