Answer:
63a+54b
Explanation:
9×7a = 63a then you multiply 9×6b=54b after you get your answers you put the equation together it will be 63a+54b
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Since Germany embarked on a deadly game, the United States entered World War I. Many American merchant ships across the British Isles were sunk by Germany, causing the American entry into the war.
B. Bolsheviks
“Under the rule of the Czars, Russia once tried (and failed miserably) to develop a sustainable middle class. That failure ultimately helped pave the way for the Bolshevik Revolution of 1917.”
The question is incomplete. The complete question is as follows:
Katiana wanted to figure out what type of liquid worked best for growing beans. She watered one with coca-cola, one with lemonade, and one with just water. After one week, she measured how high they had grown. What is the independent variable?
A. Bean growth
B. Type of liquid
C. Plant watered with water
D. Type of plant
Answer:
B. Type of liquid
Explanation:
In an experiment, the independent variable is defined as the variable that can be changed or controlled in order to measure its effect on the dependent variable. The dependent variable is defined as the variable that is influenced by the independent variable.
In the given experiment, the type of liquid is an independent variable because it can be changed and the height of beans is the dependent variable because type of liquid is influencing the height of beans.
Hence, the correct answer is "B. Type of liquid
".