Which expression is equivalent to 25x – 10y?
A. 5(5x – 2y)
B. 5(20x - 5y)
C. 5(5x – 10y)
D. 5(20x – 10y)
What is it

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Hundred and tens tables to make 430 in five different ways