Which congruence theorem can be used to prove △BDA ≅ △BDC? Triangles B D A and B D C share side B D. Sides B C and B A are congruent. Sides A D and D C are congruent.

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?