Answer:
225 is the correct one
Step-by-step explanation:
u multiply 15m*9 months u get 135 and then u add the existing 90m and then it becomes 225mp3
15m*9+90
Answer:

Step-by-step explanation:
Solving an inequality is very similar to solving an equation, one uses inverse operations. The only major difference between the two is that when one multiplies or divides an inequality by a negative number, one must remember to flip the inequality sign to ensure that the inequality remains true. In this situation, such a rule does not come into play.

Inverse operations,

Answer:
B
Step-by-step explanation:
Simplify the equations into standard form
(2x^2+x+3) + (x^2+3x+2)
Then add
3x^2+4x+5