Which system sends nutrients to all the body's cells? excretory system nervous system circulatory system endocrine system

circulatory system

Step-by-step explanation:

1d

2b

3 false

4 d

5 3200sq,ft

80+60+y=180

then divide the difference between 60 and y and add it to 180

so x =180 +( (y-60)/2)

x equals 200

step-by-step explanation:

8

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8