Answer: for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²
Answer:
x-coordinate is 3; ordered pair in Quadrant 1;
Step-by-step explanation:
Answer:
30% discount.
Step-by-step explanation:
Doubling the side length multiplies the area by 4
Answer:
yes
Step-by-step explanation: