Which of the following expressions have a sum of 0?

-8 + (-8)

9 + (-9)

-12+12

52+52

A building measuring 90m by60m is to be built. A paved area of uniform will surround the building. The area is to have an are of 9000 metres squared. How wide is the paved area

How can I divide by zero?

20% speak Spanish how many students speak Spanish?

Caitlin was knitting scarves to give as gifts. If she uses 6 balls of yarns for three scarves, how many balls does she need for one scarf?

Show all your work to find the axis of symmetry of f (x) = - 2 (x - 4) ^2 + 2.

A number is between 80 and 100 and is divisible by both 5 and. What is the number?

Fill in the blank with the correct response. If x is to 9 as 8 is to 12, then x is equal to bo.

Side a=15 and side b=20 what is side c

The terminal side of an angle in standard position passes through P (-3, - 4). What is the value of tan 0? tan 0 = - 4/3 tan 0 = - 3/4 tan 0 = 3/4 tan 0 = 4/3

Karrie bought a refrigerator from a rental center for $989.47. She makes 12 monthly payments of $97.32 with her credit card. The rental center charges $2.25 for every purchase made with a credit card.