Apiece of wood is of length 45cm. the length is divided in the ratio 7: 2. work out the length of each part

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )