Answer:

Step-by-step explanation:
Let
x-----> the total students in the marching band
Applying proportion

Well for a linear function you would use the formula y=mx+b
Answer:
Jamal is correct.
Step-by-step explanation:
3:4 is equivalent to 9:12, not 18:12.
We can see that for 3:4, the left side is less than the right, but for 18:12, left side is greater than the right, which immediately tells us the ratios are not equivalent.
Answer:
39.0625%
Step-by-step explanation:
The area of a 25 inc TV screen is 300in²
The area of a 40 inch TV screen is 768in²
Percentage of area of the smaller screen to larger screen is;
300/768 × 100 = 39.0625%
Answer:
C
Step-by-step explanation:
The elevati0on of sea level is 0 km and the elevation of the summit is 10 km