Gina is the costume manager for a large theater company. she has 12 different hats, including 2 helmets.

what is the probability that a randomly chosen hat from gina's inventory will be a helmet?

simplify your answer and write it as a fraction or whole number.

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?