Which two charges have a sum of 0?

A) + 7 charge and + 7 charge

B) - 7 charge and - 7 charge

C) + 7 charge and - 7 charge

D) + 7 charge and 0 charge

What is 6 1/6 subtracted by 4 3/8

Sophie bought art supplies at a craft store. She bought paper for $3.00 and four brushes. The brushes all cost the same amount. Write an expression that represents her total

Georgia has $38 to spend at the movie theater. She goes with two friends. They all got one piece of candy. If each ticket cost $10 and each piece of candy cost $3.50, do they have enough money?

peter wants to go visit his grandmother. she lives 6 miles away from his house. He called an uber and goes over the fare schedule with the company. They charge a mandatory fuel fee of $3.00 plus 2.25 per mile.

A pilot flies 441 kilometers in 31.5 minutes. what is the speed of the air plane?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.