(r*s) = (x+1)(3x+4) = 3x² + 3x + 4x + 4 = 3x² + 7x + 4
(r-s)(x) = x+1 - (3x+4) = x + 1 - 3x - 4 = -2x - 3
(r+s)(x) = x + 1 + 3x + 4 = 4x + 5
(r + s)(2) = 4(2) + 5 = 8 + 5 = 13
<h3>What is algebraic expression?</h3>
A number, a variable, or a mix of numbers, variables, and operation symbols make up an expression. Two expressions joined by an equal sign form an equation. Word illustration: The product of 8 and 3. Word illustration: The product of 8 and 3 is 11
to learn more about algebraic expression refer to:
brainly.com/question/4344214
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Here is the table with the filled in answers
Answer:
it is about grams and kilograms
Step-by-step explanation:
hope this helps
140/7=20. Which means they charge $20 per car.
60*20=$1200
