DESPERATELY NEED HELP, please answer!

Step-by-step explanation:

I think there is a mistake in the problem description.

f and p are for the price of 1 yards fencing and 1 post.

and not the amounts.

because the problem description gives us the amounts already (30+8 yards fencing and 4 posts).

based on the 8 more yards of fencing for $256 we know that 1 yard of fencing costs $32.

we know from the beginning

30f + 4p = 1040

and again

8f = 256

f = $32

now using that in the first equation

30×32 + 4p = 1040

960 + 4p = 1040

4p = 80

p = $20

he bought first 30 and then additional 8 yards of fencing for $32 per yard, and 4 posts for $20 per post.

altogether he had to pay 1040+256 = $1296

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.