Use distance formula to show that pQ^2=2-2(cosacosB+sinasinB​

Hunter designs two flags for his adventure club. what is the length of the base, x, of the larger flag? enter your answer, as a decimal, in the box.

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

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.