Answer: 22% of the pages are filled up
Step-by-step explanation: 900/9= 100 78% of 100 is 78
22+78=100 therefore reaching 100 percent. since 78% is empty that means 22% is being used.
ANSWER
2x² + 7x + 5
EXPLANATION
This is a quadratic function, because it has two 'x' multiplying in different terms.
The standard form of a quadratic function is:
To transform this expression in standard form we have to apply the distributive property to multiply the terms in the parenthesis:
So for this expression a = 2, b = 7 and c = 5.
Answer:
-4a +22b
Step-by-step explanation:
add the ones with same variable
Answer: -10
Step-by-step explanation:
If you round 7.94 up to 8 and round 2.31 down to 2, then it’s -8-2.