How much will you need to invest each month to reach a savings goal of $200,000 at the end of 20 years if you invest in an annuity thats 3% interest compounded monthly? Rounded your answer to the nearest dollar

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.