Factor completely. 12x4+18x3+45x2 enter your answer in the box.

what are the roots of the polynomial equation?

x2+6x−72=0

enter your answers in the boxes.

x=
or x=

boris solves the system of equations using the linear combination method.

3x+4y=−87x−3y=6

which steps would allow him to eliminate the y terms in the system of equations?

multiply 3x+4y=−8

by 7. multiply 7x−3y=6 by −3
. add the resulting equations together.
multiply 3x+4y=−8
by 4. multiply 7x−3y=6
by 3. add the resulting equations together.
multiply 3x+4y=−8
by −3 . multiply 7x−3y=6
by 7. add the resulting equations together.
multiply 3x+4y=−8
by 3. multiply 7x−3y=6 by 4. add the resulting equations together.

Hye ryung is the president of the local chapter of the american medical students association (amsa). she is organizing local outreach and informational meetings. at her first meeting there are five people present (including herself). every month after that her group grows by 5 people. a. how many members are in the group after 6 months? b. the logistics of hosting and feeding her group at meetings was more complicated than expected. the cost of feeding 5 people at her first meeting was $30, for 10 people it was $35, for 15 it was $45, and after 6 months all of the costs had added up to $100. write a function to model the cost with the number of people attending meetings. c. what connections can you make between the linear growth of the group’s membership and the increasing costs of running meetings?

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =