Given triangle ABC, AB=BC=AC=a, Find the area of triangle ABC

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?