a photograph is dilated to fit in a frame so that its area after the dilation is 9 times greater than the area of the original photograph. What is the scale factor of the dilation?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Give me the equations of two lines that have the same slope but are not parallel.

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?