X is the center of the circle
Pythagoreon theorem
a^2+b^2=c^2
5^2+10^2=125 not 20^2
1) 15/15 which is 1
2)100/30 which is 3 1/3
3)8.2
4) too long sorry
-7 and positive 6. if you multiply a negative by a positive it will always be a negative.
Answer:
48
Step-by-step explanation:
-2(1)^2(3(1)^2 – 7(1) + 10)
-2^2(3^2 – 7 + 10)
4(9 - 7 + 10)
4(12)
48