Three years ago, ava lent her sister $400 to buy some clothes. today ava’s sister paid her loan in full with $454. what simple annual interest rate did she pay?

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

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

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?