Erin was able to map line segment \overline{AB}
AB
start overline, A, B, end overline onto line segment \overline{CB}
CB
start overline, C, B, end overline using a rotation and a dilation.

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Are the corresponding angles congruent? explain why or why not.

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?