The outside temperature on a winter afternoon is -7°C. In the evening of the same day, the
outside temperature is -23°C.

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16