At 45, Anna set up a 401(k), where she plans to deposit $8,000 at the end of each year until age 75. Find the amount of the annuity if she invests in a stock fund that yields 8% interest compounded annually.

Which expression is equivalent to 2x^2+7x+4?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?