Each day in the spring, the jet streams shifts by moving during the Northern Hemisphere spring. A : North
B : South

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac