Martha is planning to survey people at a water park to determine the most popular water slide at the park. which would be the best sample for her survey to draw a valid inference? a. children at the park between the ages of 3 and 5 b. children at the park between the ages of 6 and 10 c. adults at the park between the ages of 20 and 30 d. adults and children of all ages at the park

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

but which class are u may know that first

d. $180

step-by-step explanation:

if the dimensions of the room is 9ft by 12 ft, we have the area of the floor as,

so the area of the floor is 108 square feet, converting that into square yards we get,

the cost of carpet is $15 per square yard, therefore the cost of carpet for 12 square yards is,

hence, the cost of carpet is $180.

assuming the dimensions of the room be,

15 ft by 12 ft

so, the area of the floor of that room is,

we can convert 180 square feet into square yards, we know that,

1 sq ft = 0.111 sq yard

so, 180 square feet is,

so the area of floor is 20 square yards.

now, the cost of carpet is 15 dollars per square yard, therefore the cost of carpet for 20 square yards is,

so, it will cost $300.

60: 45 =12: 9 =4: 3 so the answer is 4: 3