Which Expression is Equivalent to - 2-7

1: 2 - 7

2: 2 + 7

3: - 2 - (-7)

4: - 2 + (-7)

The three sides of a triangle are in the ratio 2:4:5. if the shortest side of the triangle is 4 meters long, find the perimeter.

The scale on a map is 1/4 in : 18 mi. The state capital is 252 miles from the border. How far is the state capital from the border on the map?

Reduce the answare11/13x3/22 to lowest term

What happens to the acidity of solutions A and B after dry ice is added? Acidity Changes after Dry Ice is Added Timesec) PM of Solution pH of Solution The pH of solution A decreases, and the pH of solution B increases. 8.

What is being done to the variable in the equation M/5 = - 40?

Identify the polynomial (s) 1. a^2 + bcd^3 2. a^2 + b - cd^3 3. a^2 - b + c - d^3 Choices: • monomial • binomial • trinomial • four-term polynomial • five-term polynomial

Find the sum or difference. All answers should be in simplest form 1 / 3/7 + 10 6/7 12 1/9 + 10 2/3 3 5/9 + 1 3/9 5 2/3 - 4 5/9

How many bottles of water equal 1 gallon? i was told to drink 1 gallon of water everyday to get in shape and i dont know how many bottles tht is and is tht a good idea? How many bottles of water equal 1 gallon?

How many solutions does the system of equations below have? y = - 10x + 5 y = - 10x - 9/7

Football Strategies A particular football team is known to run 30% of its plays to the left and 70% to the right.