Hello, i need with this, you can put the operation (1/2) +7 + (- 2) + (- 3/2) +2

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.

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

X+y=-4 x-y=2 use elimination with adding and subtraction