Answer:
10 times.
Step-by-step explanation:
The number in the tenths place is 90. The number in the ones place is 9. 9 times 10 is 90.
The answer is C: systematic sampling
Answer:
2x+9y=18
Step-by-step explanation:
Distribute the denominator
y=-2/9x+2
9y=-2x+2
9y+2x=2
im sorry if this is wrong
Answer:
for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²
