What is the inverse operation you would use to solve n-9=-18?

Possible answer's,

1. subtract - 18

2. add - 18

3. add 9

4. subtract 9

Which number is a rational number? 49 or 34 or 9/2 or 13/16

Two objects in outer space drift apart at an average rate of 25 kilometers every year. If the objects continue to drift apart from each other at the same rate, how many kilometers will they drift in 10 years?

If 3m=5 (m+3) - 3, what does m equal?

2/3h - 1/3h + 11 = 8

14 + 2y - 3 + 7x - 12y + 3x - 20=

Which would you measure in kilograms? a. the mass of a butterfly b. the capacity of a bottle c. the mass of a basketball d. the length of a river

What is 1,339,032 : 19 and the remainder?

the perimeter of a triangle is 12b+5. Two sides have the following length:4b and 3b+15. What is the length of the third side?

Building a is 190190 feet shorter than building b. the total height of the two buildings is 14801480 feet. find the height of each building.

What is the 8th term of this sequence? - 3, - 12, - 48, - 192 Anwers Option: -49,152 -12,228 -768 -196,608