240+140+168+96
380+264
644 cm^2
The answer is letter B.
Here's how to evaluate the expression. Open the attached file.
Answer:
Step-by-step explanation:

Answer:
Step-by-step explanation:
Yes. R and X. they both have 20 degree angle at the top
Answer: 6+eaqr²su
Step-by-step explanation: If a term doesn't have an exponent, it is considered that the exponent is 1. So, use 1 as your exponent. Next, multiply the terms with the same base by adding their exponents. Then, add the numbers. Use the commutative property to reorder the terms. Your answer should be 6+eaqr²su.