I NEED HELP ASAP In the diagram, ACD is a straight line, ABC = 62°, ACB = 68°,BC = 6 cm And CD = 7.5 cm. Calculate
(a) AC
(b) The area of the Triangle ABD

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Use the distance formula to find the distance between (-3,5) and (3,1)

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis