Arectangle always has
a) 4 congruent angles and 4 congruent sides
b) two pairs of congruent angles and exactly one pair of parallel sides
c) four congruent angles and two pairs of parallel sides
d) four congruent angles and exactly one pair of parallel sides

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

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees