Add Simplify, If Possible $\frac { 2 } { 15 x } + \frac { 4 } { 21 x ^ { 2 } }$

question 223

Multiple Choice

Add. Simplify, if possible.
- $\frac { 2 } { 15 x } + \frac { 4 } { 21 x ^ { 2 } }$

• A) \(\frac { 48 } { 105 x ^ { 2 } }\)
• B) \(\frac { 2 ( 7 x + 10 ) } { 105 x ^ { 2 } }\)
• C) \(\frac { 6 } { 15 x + 21 x ^ { 2 } }\)
• D) \(\frac { 6 } { 315 x ^ { 2 } }\)

Evaluate the challenges in defining microbial species and propose solutions.

Develop hypothesis-driven approaches to test theories of speciation using experimental and observational data.

Understand the role of natural selection in life history traits, including longevity and reproductive strategies.

Comprehend the biological basis and ecological significance of menopause in certain species.

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Definitions:

Driveshaft Assembly

A mechanical component used to transmit torque from the vehicle's engine to its wheels.

Chassis

The base frame of a vehicle to which various components are attached.

Center Support Bearing

A hanger bearing used to suspend the first section of a driveshaft in a double driveshaft assembly. It is required on truck driveshafts when the distance between the transmission and drive carrier exceeds 70 inches (178 cm) and consists of a rolling bearing element supported by a rubber insulator and bracket. Also known as hanger bearing.

Maximum Length

The greatest length allowed or possible for a given object, system, or dimension.