.
Garden soil can be purchased by the cubic yard. How much will it cost to fill a garden that is 12 feet by 12 feet by 2 inches for a patio if the soil costs $51.00 per cubic yard?
A.$204.00
B.$1224.00
C.$136.00
D.$45.33

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

30 people weigh 160 pounds or more