катет прямоугольного треугольника равен 10 см, а его проекция на гипотенузу – 8 см. найдите гипотенузу треугольника

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0