A jeweler has 20 ounces of a gold alloy worth $160 per ounce and 10 ounces of a silver alloy worth $140 per ounce. She has a third alloy that is worth $124 per ounce. How much of this third alloy must she combine with the other two to make 3-ounce pieces of jewelry worth $438 each?

hi there!

the answer to this question is d: 35

step-by-step explanation:

5 to the power of 2 is 25

2 multiplied by 5 is 10

then you add the 2 numbers and you get 35

b.

step-by-step explanation:

i just know

30,40,50 is correct answer

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex