A is 12 because 4x4=16 so then you would multiply 3x4=12
Answer:
<em>Another way to calculate the correlation coefficient </em><em>(r) </em><em>is to </em><u><em>multiply</em></u><em> the slope of the regression line by the </em><u><em>standard deviation</em></u><em> of </em><em>X</em><em> and then </em><u><em>divide</em></u><em> by the standard deviation of </em><em>Y</em><em>.</em>
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Answer:
x = -2 ± 452i
Step-by-step explanation:
x² + 4x = 117
x² + 4x - 117 = 0
if you solve this quadratic by using the quadratic formula you get:
x = -2 ± 452i
452i is an imaginary number that equals 
Answer:
the answer is 39
Step-by-step explanation:
you have to just easily subtract 72-33= 39
BRAINIEST PLZZZZ AND RATE ME
305 × 4 = 1220
215 × 2 = 430
1220 - 430 = 790
The change in the altitude of the balloon is 790 feet.
