How do you find the vertex of

y=2^2-16x+1

Two students push on a car stuck in the mud with a force of 20 Newtons, but they are unable to move it. How much work have they done? A) 40 Joules B) Not enough information given to answer this question. C) 20 Joules D) 0 Joules

How to writing system of linear equations. There are 160 lions and antelopes. The number of antelopes is forty less than triple the number of lions. How many of each animal is there?

Why are the solutions to the proportions 40/80 = to x/10 and x/40 = 10/8 the same

The problem is how many people must attend the third show so that the average attendance for three shows is 3000? And the other show attendance numbers are 2580, and 2920

How do we solve that problem 1/4 (x-3) = 3x-11/4x-3

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.