Which operations would create an equivalent system of equations with opposite like terms? 3 x minus 3 y = 3. 4 x + 5 y = 13.

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step-by-step explanation:

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11) obtuse

13)right

15) acute

8.75

how-to:

first, we need to find what we have to work with.

since i know that we have 7 (years) and 0.8 (inches), we can use these to solve and find the equation!

secondly, what you want to do, is see that we need to know how much growth out of the 0.8 inches he got in only 1 year, instead of 7 years.

let's try to divide.

7 ÷ 0.8 = 8.75