Answer:
n = 1.125
Step-by-step explanation:

(Use Cross Product)
40n = 15 × 3
40n = 45
n = 1.125
We will use the distributive property. -4 times 9z=-36z -4 times -2=8 so we have -36z+8 as our answer
Answer:

Step-by-step explanation:
Answer:
5.9x + 1.4
Step-by-step explanation:
5.5 + 2.1x + 3.8x - 4.1
= 5.9x + 1.4