What is the inverse operation to solve n-9=-18

Ryan runs 3 miles in 28 minutes. at the same rate, how many miles would he run in 42 minutes?

Write the sentence as an absolute value inequality. Then solve the inequality. twice a number is no less than 10 units from - 1?

A family has two cars. During one particular week, the first car consumed 20 gallons of gas and the second consumed 30 gallons of gas. The two cars drove a combined total of 950 miles, and the sum of their fuel efficiencies was 40 miles per gallon.

2x - 5 > 7 A. x > 6 B. x < 12 C. x < 8 D. x > 12

A variable expression cannot consist of numbers or operations. True or false

Andy has read 4 chapters in 2 hours. If he continues reading at the same rate how many chapters will he have finished after 5 hours?

The diagram shows the dimensions of an office. It costs about $0.11 per year to air condition one cubic foot of space On for average, how much does it cost to air condition the office one month?

Perform the indicated operation. (-10) : (-20) 1/2 -1/2 2 -2

Hello I am making a business and I am about to sell my first bracelet I wanted to know how much should I sell it for? I paid 10$ for all the materials.

4 1/2 + 1 + 2 + 1 1/4 + 1/2 + 2/4 how did you get the answer