Please, i have dead line for today It is considered a finite sir:
u = 1, -2,7,3,2,4,5,6,14,10,8,9,13
Show that from the string u we cannot extract a decreasing substring longer (strictly) than 3 but we can extract an increasing substring longer (strictly) than 4.
b) The date m, n belong. R show that in a series of mn 1 distinct real numbers there is always either a decreasing substring longer than m (at least m 1 terms), or an increasing substring longer than n (so at least n 1 terms)

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x