Answer:
It is B) 3/4a-1/2b-3
Step-by-step explanation:
I did the instructions :)
Answer:

Can only be simplified through calculator using decimal equivalents.
Step-by-step explanation:
The perimeter of a rectangle is the formula P=2l+2w. Here
and
. So the perimeter is:

Answer:
1.2
Step-by-step explanation:
Answer is 60 U need to calculate carefully with brackets involving multiplication
Answer:
H0:p=0.5
H1:p>0.5
Sample proportion=492/792=0.6276
Test statistic:
z=(0.6276-0.5)/sqrt(0.5*(1-0.5)/784)
z=7.14
p-value=P(z>7.14)=0
Step-by-step explanation: