The larger triangle is a dilation of the smaller triangle with a center of dilation at (1,−1) . what is the scale factor of the dilation?
a.1/8

b.1/4

c.4

d.8

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

This question awards 100 ! i really don’t want to fail i will also mark you !