Answer:
the temperature rose by 34*F
Step-by-step explanation:
-13*F + 34 = 21*F
Answer:
-7/2,1 is the midpoint
Step-by-step explanation:
please mark me brainlest
Answer:
a
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
The theorem is that for a line bisecting two parallel lines, the oposite angles are equal. Hence, you can formulate the equation 4x+18 = 7x-21, which solves to 13.