The sum of the measure of the interior angles of a polygon is 1980°. What polygon is it? 10-gon 11-gon 12-gon 13-gon

Write the sum using summation notation, assuming the suggested pattern continues. 3 - 15 + 75 - 375 + ...

Will arrived at his mom office at 3:00 pm. it took him 30 minutes to walk from his home to the mall. he was in the mall for 45 minutes. it then took him 15 minutes to walk to his mom office. at what time did will leave his house?

Find the discriminant for this equation. x^2 + 3x + 1 = 0 A) 5 B) 8 C) 10 D) 25

Which challenge in western Texas did Sam Houston face after becoming President of the Republic of Texas? Western Texas was still part of Mexico. The Comanche and Kiowa controlled western Texas. People in western Texas were unable to pay tariffs.

At a baseball game, 1 out of 10 batters hit a homerun. How many batters out of 40 hit a homerun? 10 A.) 6 B.) 10 C.) 4 D.) 8

Add. 3.38 86.3 0.796 = 128.06 90.476 904.76 1.280.6

What are the x and y intercepts of the graph y=-4x?

Write - 1/14, 7/9,-4/5 in order from bet to greatest

One tenth minus seven tenths equals

What is the degree of 4a5b2+2ab3?