If Jenny drinks her wine on her patio at 5:00 pm- 8:00pm each day then how many hours do I have to stay inside each week because her patio is too close?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class