Joseph leaned a 15 foot long ladder against his house to climb on the roof. He placed the base of the ladder 9 feet away from the wall. How tall is the lowest point of the roof?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t