Which system has exactly one solution? (y + 4x = -2
A.
W = - 4x + 5
(6x + 3y = -1
B.
2x + y = 4
y = 4x - 5
C.
3x - y = 2
y = -x-5
D. {-4=3(x - 2)
b
B
ОООО
с
D

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000