Together, Matthew and Daniel have 67 DVDs. Matthew’s collection has 3 times as many DVDs as Daniel’s collection. Which equation can be used to determine the number of DVDs in Daniel’s collection? A. 3x - x = 67
B. x + x = 67
C. 3x + x = 67
D. 3x = 67

Which expression is the factored from of 2/3x + 4?asap

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

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.