What is 4(-1/2) in repeated addition? Help ASAP please!

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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