Which of these strategies would eliminate a variable in the system of equations? \begin{cases} -7x + 2y = 5 3x - 5y = -5 \end{cases}
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−7x+2y=5
3x−5y=−5
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Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
Add the equations.

(Choice B)
B
Multiply the top equation by 333, multiply the bottom equation by 777, then add the equations.

(Choice C)
C
Multiply the top equation by 555, multiply the bottom equation by 222, then add the equations.

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed

Find the axis symmetry of x y=4x-6x+3