Write and solve an equation to find the missing value

It is A

Step-by-step explanation:

The angle is 90 degrees. Since they give you 40 degrees, you need to find B. You could do 90-40, or as a equation it would be 40+b=90. When you solve this you get 50 degrees.

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

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