Find the axis of symmetry for this parabola y=-2x^2+4x-10

Barry I bought a new car for $15,000. The value of the car was depreciated by 25% after driving off the lot. After a year of driving the car, the value depreciated by an additional 15%.

A bag of candy contains 2 pieces of bubble gum, 4 jolly ranchers, and 10 tootsie rolls. what is the probability of reaching into the bag and choosing either a peice of bubble gum or a tootsie roll?

The half-life of Plutonium-23 is 30 min. How much of a 1500 mg sample will be left 5 hours from now?

Which substance is a mixture? salt gasoline aluminum carbon dioxide

The football team is running a jackpot in which the prize will start at $2500 for the first game, and then increase $500 each game if there is no winner. If there are no winners, find the value of the jackpot at the end of their 16-game season.

Explain how your brain and sensory organs get information from the outside world

Do you add the discount before or after the tax

What is 0.83000000001 a rational or a irrational?

Show that 1+kx is the local linearization of (1+x) ^k near x = 0

Write these decimal fractions in words 42/100