Answer:
The expression with grouping symbols is, 
Step-by-step explanation:
Grouping symbols are used to show what should be done first in the math expression.
Parentheses are the most common grouping symbols.
Given the expression: 3a -3
to rewrite this expression with grouping symbols:
Place the parentheses

Therefore, the expression with grouping symbols is, 
Huhvgujvdthb friend gf t if y h iutzyreRx it’s g. Ttussuesru. G h
Answer:
b) Excessive water or water in the root zone can decrease ... ¼ 1, 240kg/ha. Crop price ¼ Ya р Ю $/kg р. Ю ¼ 1,240 kg/ha 0.9 р Ю ¼ $1, 116. WC ¼ $/m3.
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Step-by-step explanation: