his score was increased... so if he is now at 67 and it was increased by 7 so his first grade would have been 60.
Answer:
B
Step-by-step explanation:
total number of people minus people who prefer soda, iced tea, or lemonade= people who prefer water
450-101-67-108=174
Step-by-step explanation:
Add.
2x+4x=6x
6x+4=6x+4
Let
x----------> length of the base
y----------> height
we know that
[the area of triangle]=[length of the base]*[height]/2
x=2y
A=225 km²
225=x*y/2---------> 225=(2y)*y/2-----> y²=225--------> y=15 km
x=2y--------> x=2*15------> x=30 km
the answer is
the height is 15 km