ElectricPavlov

Vertex form    y = a (x-h)^2 + k     (h,k) = (2,1)     sub in this for h,k   and   3,-4   for   x and y

-4 = a (3-2)^2 +1      a = -5

y = -5(x-2)^2 + 1

5 +11d = 137     solve for d

If $3+a=4-b$ and $4+b=7+a$, what is $3-a$?

3+a = 4-b    b= 1-a

7+a= 4+b    b = 3+a

1-a = 3+a       a = -1         3 - -1 =4

1 wall/ (36 min * 8 t)      /   1 w / 18t = .0625 / min =  16 min

Draw a venn diagram add the numbers  4+5 + 43 = 52 dogs        60 - 52 = 8 dogs like neither

7999 - 2001   +1 = 5999

480 = 240(1 + i)^14     i = 5.076 %

430 = 240 (1.05076)^n        n= 11.77 years                  11.8 years

sq ft of the house    9 ft x 140 ft = 1260 ft²

1260 ft² / 300 ft²/gal = 4.2 gal     she will need to buy  5  cans of paint.

15 liters total

x = 10% amount     15-x = 40% amount

.10 x      +  .40 (15-x)   =  .25 (15)   

.09 (2)  +  .05(x) = 1380          solve for x = 5% amount    the 9% amount = 2x