A) Total cost of materials: 145.86 + 52.91 + 17.63 = $216.40
b) Percent cost of hardware: 17.63/216.40 = 0.081
c) Percent cost paint and hardware: (17.63 + 52.91)/216.40 = 0.326
Answer:

Step-by-step explanation:
velocity of river with respect to ground = 4 mi/h south

Velocity of swimmer with respect to river = 2 mi/h east

According to the formula of relative velocity


Where, V(S,G) be the velocity of swimmer with respect to ground, it is true velocity of swimmer.

Answer:
1,496.49 cm squared
Step-by-step explanation:
The regular figure below is a hexagon.
The formula for the area of a regular hexagon is
. Here a = 24. Substitute and simplify for the area.

Answer:
-77
Step-by-step explanation:
-77 + -23 = -100
Didn't know if this was a question but if yes it is