Please help ASAP I don’t understand this and only answer if you know just don’t answer with random letters please

x + y + 90 = 180

x = 67

y = 23

Step-by-step explanation:

x + y + 90 = 180

x + 2 = 3y

x + y = 90

x - 3y = -2

      x  +  y = 90

(+)  -x + 3y =  2

            4y = 92

y = 23

x + y = 90

x + 23 = 90

x = 67

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation: