List out the raw materials required for construction of the school and also find out about the place from where the raw material is obtained in India. Find out the techniques which will help you to keep the environment of the school Eco friendly.

In the 30-60-90 triangle below side s has a length of and side r has a length

Find the area of the unshaded square

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?