Answer:The ladder and the ground form a right triangle. Use the Pythagorean Theorem to find the other leg of the triangle.
Explanation Steps: a^2 + b^2 = c^2
a^2 + 4^2 = 15^2
a^2 + 16 = 225
a^2 = 209
a = 14.5 feet
10. slope =1 y intercept =8
11. slope=-5/2 intercept=-2
12slope=1/3 intercept=0
13.slope =-9 intercept 0
Answer: B. 28.26 ft2
Step-by-step explanation: I did this in school and got it right.
48(5)=n
when n= the amount of time that Alisa practiced the piano.
Alisa practiced for 240 minutes.
48+240= t
Where t stands for total minutes altogether.
In total, they practiced 288 minutes
