The ratio of boys to girls in a group is 6: 1. if there are 45 more boys than girls, work out how many people there are in total. i need this youu

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs.mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.