A coin lands on heads 200 times.
The relative frequency is 0.4
how many times was the coin fipped?

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)