EF is tangent to the circle with center o. AD is diameter; AB=30,CD=40 and DE=50.find the numbered angles 1 to 10.

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

The parabola opens: y=√x-4 (principal square root) up down right left

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t