12 × 12 =144+ 6 = 150 I'm pretty sure
Answer:
The teacher will take 720 minutes or 12 hours to grade 32 reports.
Step-by-step explanation:
32 reports= x
4 reports= 90 minutes
Cross multiply method
90*32= 4x
2880= 4x
x= 720
The teacher will take 720 minutes or 12 hours to grade 32 reports.
Hope this helps!
Answer:
-1.85
Step-by-step explanation:
On TI-84
invT((1-0.92)/2), 19)
invT(0.04,19)
