Which of the following equations is of a parabola with a vertex at (0, -3)?

y = x 2 + 3
y = x 2 - 3
y = (x - 3) 2
y = (x + 3) 2

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11