What number should be added to the expression x2+14x to change it into a perfect square trinomial?.

If the null hypothesis is false and the researchers do not reject it a type 2 error has been made. true or false

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as

Simba travel agency arranges trips for climbing mount kilimanjaro. for each trip, they charge an initial fee of \$100$100 in addition to a constant fee for each vertical meter climbed. for instance, the price for climbing to the shira volcanic cone, which is 30003000 meters above the base of the mountain, is \$400$400. let f(d)f(d) denote the fee of a trip ff (measured in dollars) as a function of the vertical distance climbed dd (measured in meters). write the function's formula. f(d)=