Use △def, shown below, to answer the question that follows: triangle def where angle e is a right angle. de measures x. df measures 55. angle d measures 49 degrees. what is the value of x rounded to the nearest hundredth? type the numeric answer only in the box below.

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.