Find a such that the quadratic function f(x)=ax^2+4x-8 has a minimum value at x=-2.

What is (28 + 7 + 6 + 3) x 1/2 show your work

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

What is the ratio of the length of an object in yards to the length of the same object in miles?