In quadrilateral jklm angle k is a right angle. is jklm a rectangle?

HELP PLSS ASAP

Consider the integral: 4 0 16 − y2 − 16 − y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form