Answer: An inequality
Step-by-step explanation:
An inequality is a mathematical sentence written with a greater than
sign, or less than sign, or equal to sign or not equal to sign or more than two of these signs at the same time to join two expressions.
The answer is D the last one
Answer:
A
Step-by-step explanation:
Angle QSR is 180° - 150°, is 30°
So basically you're getting the answer for tan30° which is 
You add the numbers up so 53