Does anyone know how to find the vertex of a parabola without a graph?

Marie and Jorge are both trying to lose weight. After 3 months they compared their weight loss. Marie's weight went from 175 to 150. Jorge's weight went from 190 to 180. Which statements are true regarding their weight loss? Check all that apply.

A group of 150 dancers are auditioning for a dance show. 62% of dancers trying out didn't get on the show. how many dancers didn't get on the show?

Why is it important to solve an equation for a specific variable?

Given an example of a line that is parallel to y = 3x - 4

The perimeter of a quarter circle is 7.14 miles. What is the quarter circle's area?

1 over 2 added to 2 over 5

In the figure below, triangle ABC is similar to triangle PQR, as shown below: what is the length side of PQ

One student ate 3/20 of all candies and another 1.2 lb. The second student ate 3/5 of the candies and the remaining 0.3 lb. What weight of candies did they each eat?

A 1/2 gallon of paint covers 1/6 of a wall. How much paint is needed to cover the entire wall? Could u show me how to do this question?

Solve the equation 5x = 7 for x. Give an exact solution as a logarithm, and an approximate solution rounded to the nearest thousandth.