Which expressions are equal to 7(53)? select all that apply. 7(50 + 3) (7)(50)(3) (7 + 50)(7 + 3) 7(50) + 7(3) 371

7(50 + 3)

7(50) + 7(3)

371

Step-by-step explanation:

7(53)

50 can be written as (50 + 3)

∴7(53) = 7(50 + 3)

Proceeding with the above expression we get;

7(53) = 7(50 + 3)

         = 7(50) + 7(3)

Completing the above expression we get;      

  7(53) = 7(50) + 7(3)

            = 350 + 21

            = 371        

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.