The sum of a number and 10 is equal to the sum of 2 times the number and 5. Which value for the number makes the statement true?

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Consider the function f(x)=-5x+3 what is f(-2)

Tell whether the two rates form a proportion