Isabel made a scale drawing of a rectangular room in her house. The actual length of the room is 20 ft. The scale used to make the drawing is in = 1 ft. What is the length of the room on the
drawing?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8