Can someone please help

The expression is equal to 3,120 when x = -5 and y = 25.

Step-by-step explanation:

In order to obtain the output of the expression when x = -5 and y = 25, we need to apply these numbers in its correct places as shown below. We need to pay close attention to which is the absolute value of "x", this means that if x is positive, then will also be positive, but if x is negative then the result will still be positive.

The expression is equal to 3,120 when x = -5 and y = 25.

45

step-by-step explanation:

30+15

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )