The sum of two numbers is 95
95
and their difference is 5
5
. What are the two numbers? Let x=
x
=
one number and y=
y
=
the other number. The corresponding modeling system is {x+y=95x−y=5
{
x
+
y
=95
x
−
y
=
5
. Solve the system graphically.

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Find the value of x for which the lines are parallel.