Two ships, one sailing at 10mi/h and the other at 15mi/h, left port at the same time. Three hours later they were 40mi apart. If you had to find the angle between their courses, an equation that could be used to solve this problem is:

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

What is the correct decimal form of 12%