Which expression is equivalent to - 4.5 + (-5.5) + (-3.1) ?

1. (4.5+5.5) + (-3.1)

2. - 4.5 + (5.5+3.1)

3. - (4.5+5.5+3.1)

4. - 4.5 - (5.5-3.1)

A population of bacteria grows at a rate of 45% the initial population contains an initial population of 350 what will population be after 10 hours

Doubling the difference between a number and 4 is 6 more than the number.

Whats 1,112,433 rounded to the nearest ten thousand

If a regression analysis was to be completed on body mass index (BMI), what could be an independent variable in that analysis? Why? If we could, what other independent variables should be included in the analysis?

Simplify the expression: (X + 5) (X-7)

Ryan bought 36 cupcakes at the bakery. He was given an additional 8 cupcakes for being a valued member the bakery is packing the cupcakes by placing 6 in each box. How many boxes will the bakery need?

Eighty-three thousand, nine hundred two in standard form and expanded form

Which equations model this problem? A recipe that makes 1 serving calls for 0.25 L milk. How many servings can Rohit make if he uses 2 L of milk? Use s for the number of servings. Choose all answers that are correct. A. 0.25: 2=s B. 0.25·s=2 C. 2:0.

What is the value of y that makes the equation y+2.9=11 true?

Thomas earns x dollars each week walking his neighbor's dog. He also earns $10 allowance each week. Which expression represents the amount of money Thomas has earned after 4 weeks? Select each correct answer.