Identify the term indicated in each of the following algebraic expressions: 1st term: -3x +7
3rd term: 9pq - 3pr - 12pqr

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?