10 easy points.. Do you know the answers?

Question

1. 1/7 y = 9

y = ?

2. During a marathon, Elen was the winner in the womens wheelchair division, with a finishing time of 7.5262 hrs.. Round this time to the nearest hundreth of an hour.

3. 2 2/3 x 1 3/4

4. 10 5/12 - 20 5/18

5. Evaluate the expression for y= -0.8 and z= 7.16

z / y =

Answer 1

i think # 5 is  8.9

Answer 2

1. 63

2.7.53

3.  4 2/3 or 4.67

4. -9 31/36 or -9.86

5. 7.16/ -.8 = -8.95

Answer 3

1. 63

2. 7.53

3. 4.55

4. -9.85

5.?