johniyabrown26 johniyabrown26

01-02-2019
Mathematics

contestada

If a + b = 28 and a - b = 10, then b =?

Respuesta :

frostwhisker309 frostwhisker309

03-02-2019

Answer:

b=9

Step-by-step explanation:

Answer Link

Otras preguntas

How do scientists use seismic waves to determine the interior structure of Earth?

Dominick lives 1 3/4 miles from his school. If his mother drives him half the way, how far will Dominick have to walk to get to school?

The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension

What is biogeography and what does it provide?

What is the mean of 87, 93, 86, 90, and 84?

Natalie earns $2.50 for each cd she sells and $3.50 for each dvd she sells. Natalie sold 45 dvds last year. She earned a total of $780 last year selling cds a

If a slope of a line is 2/0 is it 0 or undefined?

After what happened on April 19 can war between the colonies and Great Britain be avoided?

What are the 3 features of a typical seigneurie

What is biogeography and what does it provide?