Answer:
55/100 * x = 495
Step-by-step explanation:
The unknown number is x.
55% of x = 495
55/100 * x = 495
The last option is the answer
Answer:
Hence the expression 
Step-by-step explanation:
Explanation
- The given expression is (3rs-7)(3rs-4).
- We have to multiply the given expression.
- Multiply the (3rs-7) by -4, multiply the (3rs-7) by 3rs then add like terms.

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Answer:
multiply each term in one polynomial by each term in the other polynomial.
add those answers together, and simplify if needed.
Step-by-step explanation:
Answer: x is 45, y is 80
Step-by-step explanation:
subtract the angles surrounding x (70 - 25 = 45)
add 45 + 55 to get 100
the entire triangle has to equal 180 degrees, so subtract 100 from 180 to get the value of y