Select all the pairs of like terms in the expression. 2/5y + 1/5x – 0.2y – 6 + (–2)
2/5y and 1/5x
2/5y and –0.2y
1/5x and –0.2y
–0.2y and 2
–6 and –2
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In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

The base of a pyramid is a square with 5 lines of 5cm the slant height of each lateral face of the pyramid is 6 cm what is the surface area of the pyramid