Math help please help *20 points*?

Question

1.yolanda is 180cm tall.how many meters tall is that

2.15x2/3=

3.he rode his bike between 1 1/2 and 1 3/4 hours...how many hours did he ride?

4.length of one side of a square that has 289 in2?

5.if 2m+5>19 which is true...

m=7

m>7

m<7

m>\--- 7

6.length of a classroom will be best measured in?

7. if length of toy turtle is 30cm then length of toy lion from tip of nose to tail is about?

8.C represents total charge in dollars babysittinging.and H represents # of hours the child is watched.how much sould jhon pay if his child is at babysitting service for 3 hours...show work

C=5.25 + 4.25H

Answer 1

1=1.8

2=10

3=1.5-1.75

4=

5=m&gt;7

6=metres

7=

8=

i cant do 4 7 and 8 soz

Answer 2

i need at least 2,000 points to answer this