Victoria has 54 coins all of which are either nickels or dimes. The coins are worth a total of $4.25. How many dimes does Victoria have?

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

529 and 531

step-by-step explanation:

333.74 ! should be your answer for this question

point m is on plane r