Can someone plz help with this im stuck thx

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form