Answer:
(-4x4+6x2+3)-(5x2-3)
ok.
-4x4+6x2=2x6
2x6 3
-(+5x2) -(-3)
_____ _____
-3x4 + 6
i think, im not sure but i think its -3x4+6. i might be wrong
Answer:
5.85
Step-by-step explanation:
$40.95 / 7 =5.85
12 31/100 is the mixed fraction because in a decimal all the numbers to the left are whole numbers and all the numbers to the right are numbers that are part of a whole. Just like in a mixed fraction there is a whole number and a fraction in a mixed number. Since 12 is in the left it is the whole number and since 31 is to the right and in the place value 31 is ending in the hundredths place so that's why the fraction is, 31/100. That's how you came to know that 12 31/100 is the fraction for 12.31.
Answer:

Yes, y is a function of x.

Step-by-step explanation:
For a proportional relation, the equation is given by:

where k is the unit rate of change.
We were told that, Lin's sister earns $9.6 per hour.
This means k=9.6.
We substitute to get:

We could rewrite this as

Yes, y is a function of x.
To obtain an equation describing x as a function of y, we solve for x to get:
