Answer:
75
Step-by-step explanation:
at the top it says f(1)=25 which is 1 times f = 25 therefore f = 25
Find the area for each shape.
For the triangle face you would do 4 times 6 divided by 2. Then times it by 2 because there are two triangle faces.
For the rectangle face do 5 times 12, then times 3 because there are 3 triangle faces.
Finally add both numbers together to get the surface area.
Answer:
12 boys and 18 girls
Step-by-step explanation:
the ratio from boys to girls is 2 to 3
12/2=6
18/3=6
both equal 6 meaning that both are proportional meaning that A is the correct answer