Answer:2x³+5x²-11x+4
Step-by-step explanation:
To solve this you have to use the Pythagorean Theorem.
Which is a²+b²=c²
CF,CD,and DF makes a triangle
Substitute it in
a²+8²=17² Add
a²+64=289 Subtract 64 to get a alone
a²=225 Square root it
a=15
Answer: i need to know more. your missing something
Answer:
it is 6
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
because I did the math and I learned this today it's simple