A football pitch ABCD is shown. The length of the pitch, AB = 120 m. The width of the pitch, BO = 90 m. A 120 m B 90 m D C Calculate the length of the diagonal BD. Give your answer to 1 decimal place.

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

1foot = 12 inches; 1 yard = 3 feet

What is the number 321,000,000 in scientific notation? also what is the number? ?