Answer:
22 in. or B
Step-by-step explanation:
add all the sides
Answer:

Step-by-step explanation:
A math class has 5 girls and 5 boys in the seventh grade, 10 students in total. The probability of choosing one girl from this class is

A math class has 5 girls and 7 boys in the eighth grade, 12 students in total. The probability of choosing one girl from this class is

The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. The probability that the students she selects are both girls is

Answer:
1
Step-by-step explanation:
5=3d+2
subtract the 2 on both sides
3=3d
divide 3 on both sides
you get 1
33 rounded to the nearest 10 is 30, 89 rounded to the nearest 10 is 90. So 90+30 is 120. Let me know if I am right!