I need help as soon as possible please

the correct answer is 48 degrees

Step-by-step explanation:

needs to add up to 180, we know that one of the angle is 42 degree, we also know that we got a right angle, which is always 90 degree.

180-90-42=48

have a nice day.

exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

it’s the first one your welcome