Answer:
(x+5)
Step-by-step explanation:

Here, (x + 5) matches your answer choices
Answer:
For E, each angle is 60° because its an equilateral triangle.
F is 45° for x, 135° for y, lastly z is 22.5°
Step-by-step explanation:
1/2 × (p+9) is the algebraic expression.
Answer:
Step-by-step explanation:
Opposite (or in The US, vertical) angles are congruent.
Adjacent ( on the same line) angles are supplementary (that is their sum = 180 degrees).
The table shows that every 1 hour he goes 12 miles so a variable would be 1h/24miles