There are 7 cows and 5 chicken in the farmer's filed write the ratio of cows to all the animals in the filed

What is the perimeter of square abcd? units units 28 units 37 units

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?