Solve the Problem by Combining Like Terms $22 a + 34 b + 31$

question 63

Multiple Choice

Solve the problem by combining like terms.
-A triangle has sides of length 9a + 11 inches, 13a + 16b inches, and 18b + 20 inches. What is the perimeter of the triangle?

• A) \(22 a + 34 b + 31\) inches
• B) \(22 a + 16 b + 31\) inches
• C) \(56 a b + 31\) inches
• D) \(22 a + 34 b + 20\) inches

---

Definitions:

Zeitgebers

Environmental cues like light and temperature that regulate the biological clock of organisms, influencing sleep and wakefulness cycles.

Sunrise

The time of day when the upper limb of the Sun appears on the horizon in the morning.

Sunset

The time in the evening when the sun disappears below the horizon, marking the transition from day to night.

Suprachiasmatic Nucleus

is a small region of the brain located in the hypothalamus that acts as the primary circadian clock, regulating sleep-wake cycles and other circadian rhythms.