Question

Which expression is equivalent to 3(−4.2y − 13.6)?

A. 1.2y − 13.6
B. 1.2y − 10.6
C. −12.6y − 13.6
D. −12.6y − 40.8

Answer 1

To find the equivalent expression to 3(−4.2y − 13.6), each term inside the parentheses is multiplied by 3, resulting in −12.6y − 40.8. The correct answer is Option D.

Step-by-step explanation:

The student is looking to find an expression equivalent to 3(−4.2y − 13.6). To do this, we distribute the 3 across the terms inside the parentheses.

Multiply 3 by −4.2y to get −12.6y.

Multiply 3 by −13.6 to get −40.8.

Combining these products gives us the equivalent expression −12.6y − 40.8. Thus, the correct answer is Option D.

Answer 2

the anwser is b

Step-by-step explanation: