Identifying Equivalent Equations

Which of the following expressions is equivalent to
    2k+10 + 15k

• 27k

• 15k+2k+10

• 17k-10

Which mathematical property shown here proves that these two expressions are equivalent?
   6(v+5v)  =   6v+30v 

• Commutative Property multiplication

• Identity Property

• Distributive Property 

• Associative Property of addition

Which of the expressions below are equivalent?

• 2 x (m+5)  and     2m + 10

• 5a+(6a x0) and  30a

• 5n+3n+2n and 9n

• a+ a+ a=  a³

Which expression equivalent to  b x 45 + b x 25
*Hint combine all the like terms!!!* 

• bx(45+25)

• b+(45+25)

• b+(45x b)+25

Is 4n-2 equivalent to  n+3n-2

• yes

• no

Which expression is equivalent to 30d+18?

• 48d

• 6(5d+3)

• 5(6+3d)

• d+30+18

Which numerical expression is equivalent to 12²?

• 12 x 12

• 144n

• 12x2

• none of the above

Which property of operations was used to show these expressions are equivalent?
17y+4+12y= 4+12y+17y

• commutative property of multiplication

• commutative property of addition

• associative property of addition

How would an equivalent expression be written for this expression if the distributive property was used?
  14x + 21y

• 7+(2x+3y)

• 21+y+14x

• 21y+14x

• 7(2x +3y)

Is 20b+16c  equal to 4(4b+5c)?

• yes

• no