3. let represent the event that a randomly selected student is in the marching band. let represent the event that
a randomly selected student is an engineering major.
a. describe the event represented by the complement of
b. describe the event represented by the complement of
c. describe the event and intersect
d. describe the event or union

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

b. b < 1 might be the correct answer

can someone me: the midsegment through the legs of an isosceles triangle is 4 in. find the sides of the triangle if its perimeter is 20 in. ,   and point g is the centroid of the right △abc with hypotenuse ab=18 in. find cg.