The vertex of this parabola is (-2,-3). when the x-value is -1 the y-value is -5. what is the coefficient of the squared expression in the parabola's equation

b.)8
c.)2

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.