Given that ABCD is a trapezoid (AB ∥ DC), AD = BD = CD = 6.5cm and BC = 5cm. Find the length of the diagonal AC .

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars