4z>-60
divideby 4
z>-15
x+19 <=-5
subtract 19 from each side
x<= -24
Answer:
73.75
Step-by-step explanation:

Multiply numerator and denominator by 1000:

Divide 57820 by 784 to get 7
Now divide 2940 by 784 to get 3
Now divide 5880 by 784 to get 7
Now divide 3920 by 784 to get 5
The solution of the long division is :
73.75
Answer:
5.2307 %
Step-by-step explanation:
(acutal mass- estimated mass) / ( estimated mass)
Green crescent should be 11
2+2+11=15
Pink trapezoid should be 15
30-15=15
15=15