QUESTION 1 Which of the following transformations preserve congruence?
I. Rotation 90° clockwise
II. Reflection over the x-axis
III. Dilation by a scale factor of 2
AI and III only
B II and III only
C III only
DI and II only

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?

Which expression and diagram represent “renee biked four times as far this month as last month”?

F(x)=5/6x+3 which of the following is true