Answer:
Step-by-step explanation:
Width of the room in the drawing = x
1 : 3 :: x : 18
Product of means = Product of extremes
3 * x = 18 *1
x = 18 ÷ 3
x = 6
Width of the room in the drawing = 6 inches
Answer:
100 times
Step-by-step explanation:
Answer:
21y^2+11.2
Step-by-step explanation:
4-3y(-7y)+7.2
combine like terms
-3y (-7y) = 21y^2
add 4 to 7.2
11.2
21y^2 + 11.2
Answer:
<h2>x = 9 and y = 5</h2>
Step-by-step explanation:

Answer:
(-2,-8)
Step-by-step explanation: