Answer:
x = 15
Step-by-step explanation:
This involves the Secant and Segments Theorem.
8(19 + 8) = 9(9 + x)
216 = 81 + 9x
9x = 135
x = 15
I think its 20 pounds per 17 square feet (simplest form)
Answer:
113 feet
Step-by-step explanation:
Use the ratio 1:50 to calculate the height of the tower.
The scale model height is 2.25 feet, so multiply that by 50
2.25 x 50 = 112.5
Round to 113 feet
In total you finished 1212+44 problems , which is 1256 problems
2424 -1256=1168 problems left
1168/2424=48%
48% of problems remain