Find the measure of angle c in the triangle below. (the figure is not drawn to scale.)

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.