Which of the following expressions is not correctly written in scientific notation?
1 × 104
9 × 102
10 × 107
5 × 103

What is the quadric regression equation that fits these data

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways