1st is parallel
2nd is perpendicular
3rd is perpendicular
4th is perpendicular
Answer:
oops! it's too hard!!
i think i should need to do first so that i could provide you correct answer of it!!
Answer:
there are a total of 20 boys and 30 girls in the choir of 50 students
Step-by-step explanation:
Scale the ratio 2:3. so that the numbers on either side sum to 50 . 2+3=5 , and 50÷5=10 , so we scale our ratio by a factor of 10 . So there are a total of 20 boys and 30 girls in the choir of 50 students
The answer to the question
The GCF of 18 and 39 is 3