Which quanitity could go in the blank to make the equation below true?

x+2x + _=5x

a 2

b 3

c 2x

d 3x

The area of a square painting is 81p^2+90p+25 what is the side length of the paining

Two balls are pulled one after another, without replacement, from the box containing three black, five yellow, and seven red balls. What is the probability that the 1st ball is yellow, if the 2nd ball is black

Graph x-y=-3 It's really hard I dont understand how to graph it and I have to know how to check by plugging in!

What is phrase for c/3?

The camping. Trip costs 25 dollars per student if there are 146 students going on the trip, how much money will all fifths grade need in all

What is the simplified version of 3x•5-x-2

How do you do evaluating expressions

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.