You earn 10 points for every coin you collect in a video game. then you find a star that triples your score. write and simplify an expression for total number of points you earn

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

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

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?