Answer:y=-4
Step-by-step explanation:
Answer:
8.06
Step-by-step explanation:
Use the Pythagorean theorem:

The hypotenuse is always the slanted side, or c (x in this picture), but the other numbers can be interchanged. Doesn't matter.
Plug the numbers 4 and 7 into the formula.

Now evaluate them to get 
16+49=65
To get c, take the square root of 65

Let x = the number of students at Taft high school
5x-100 = the number of students at Jefferson high school
if x =300 than 5(300)-100=1500-100=1400 students at Jefferson high school
3/4 is the simplified version of 9/12