How to change a subtraction problem into an addition problem

Find the sum of - 12.349 and 56

What are the rational roots of the polynomial f (x) = 20x^4+x^3+8x^2+x-12

What is a way you can use a distributive property for 6x82

Select the measurement that is most reasonable a. a street has a width of 5 meters b. a cat has a mass of 5 grams c. a swimming pool has a capacity of 5 liters d. a beetle has a mass of 5 kilograms

Which number is a solution of the inequality? 6>z (10-z) A 0 b 1 c 2 d 3

Jacqueline wants to travel to Oregon. She rents a car for $50, plus $0.10 per miles. Jacqueline paid a total of $195. How many miles did she drive?

25 1/2 divided by 6 In this math equation I don't know how to do it

What is three and one-eights minus one and seven-eights?

Solve 5x-4=5 (x-3) + 11

The perimeter of a pool table is 30 feet. The table is twice as long as it is wide. What is the length of the pool table?