How do u add and subtract negative fractions?

Maria has baked a cake for Cathy's birthday. The dimensions of the cake are 13 1/2 inches by 6 3/4 inches. The cake is going to be cut into squares with each piece being approximately 5.

Hotel had 66 rooms the number of rooms on each floor was 5 more than the number of floors in the hotel. how many rooms were on each floor?

Add the two expressions. 2n-32n-3 and - 7n+2

Elena has a bag containing 4 blue marbles, 6 red marbles, and 3 green marbles. she picks 1 marble at random. what is the probability of her picking a blue marble? a 1 in 13 b 1 in 4 c 4 in 13 d 9 in 13

Identify the relation that is also a function. A. { (0, - 1) (1, - 2) (2, - 3) (-1, 2) } B. { (1, 0) (2, 3) (3, - 1) (1, 5) } C. { (4, 2) (4, - 3) (9, 3) (9, - 3) } D. { (5, 4) (5, 1) (5, 3) (0, 5) }

4y+6 is less then 38

An angle whose measure is 50 degrees is in standard position. in which quadrant does the terminal side of the angle fall?

I am a 3 digit separated by commas in a multidigit number

Let y = In x and V = lny. Write Inyx in terms of u and v.

What is the answer to 9over 15 = 3 over 5