The price of oil recently went from $9.20 to $11.50 per case of 12 quarts. find the ratio of the increase in price to the original price.
the ratio is
(type a simplified fraction)

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer