Answer:
4 to the -4 power
Step-by-step explanation:
multiply the 4's and add the exponents. then divide by 4 and divide by that exponent
Answer:
The high school graduating class changed by approximately 23%
Step-by-step explanation:
we have
The high school graduating class of 2010 was 260 people
Five years later the high school graduating class was 320 people.
we know that
260 people represent the 100%
so
The difference is (320-260)=60 people
using proportion
Find out what percentage represent 60 people
Let
x ----> the percentage that represent 60 people

therefore
The high school graduating class changed by approximately 23%
4(2x-5)
8x-20
it is equal to 8x-20 because you simplify it and it turns into that.
HOPE I HELPED!!!
The line passing through it is y=7/4x-11/<span>4</span>
Answer:
425+250 times 8.3%
Step-by-step explanation: