Answer: 3.78
Step-by-step explanation:
Because she bought 2 $1.89 loaves, she spent 2 * 1.89, or 3.78 dollars.
Hope it helps <3
This is a right triangle. To find the length of the hypotenuse a^2 + b^2 = c^2.
21^2 + 18^2 = c^2
441 + 324 = c^2
765 = c^2
27.66 km
Triangles ABC and A'B'C are similar. This means that the corresponding sides are in the same ratio, in this case:

Replacing with data:
Answers:
☆☆☆☆☆☆☆☆aTriangle ZYX
bTriangle YZX
cTriangle XZY
dTriangle XYZ