25% of the total students = 28
0.25x = 28....where x is the total students
x = 28 / 0.25
x = 112 <== total students in 8th grade
Area = length * width
241.2 = 15 * width
Width = 241.2/15 = 16.08 meters
Perimeter = 2*length + 2*width = 62.16 meters
<span><span> x --- y
-5 --- 1258
</span><span> -1 --- 6
</span><span> 0 --- 3
</span><span> 4 --- 511
</span></span><span> based on the following function:
f(x)=2*x^4-x+3</span>
Answer:
- 10
Step-by-step explanation:
Distribute the '+' into the '-' and simplify:
-5+9+(-5)+(-10)+(1) =
-5 + 9 - 5 - 10 + 1 =
-10