Answer:
Step-by-step explanation:
c) 1
$6.50 per pound $4.00 +$2.50=$6.50
plants getting there food is the basic use of photosynthesis
y=-7-ax
3x-(-7-ax)=17
3x+7+ax=17
3x+ax=10
x(3+a)=10
x=10,3+a=10 a=10-3 a=7
