It's not an arithmetic sequence.
For example if you have multiple numbers with the letter a at the end you will want to add. 7a + 8a would be 15a. Same for subtraction. If you have an equation with multiple letters. For example 4a+9b it will stay 4a and 9b. Make sure to do pemdas
Answer:
12,464 ft
Step-by-step explanation:
I assume that the elevation of the lake is the altitude at the surface of the water.
The surface of the lake is 922 ft above the deepest point of the lake.
11,542 ft + 922 ft = 12,464 ft
Answer:45%
Step-by-step explanation: Here you have 9 shades out of 20 .and to write any number as a percent you must put the denominator as 100.. so multiply both numerator and denominator by 5 .. so it will be 45 out of 100 instead if 9 out of 20
So first you would cross multiply 52 by 100 which would get you 5200.
Next, you would divide 5200 by 130
Your answer would be 40