The answer is 21% I hope this helps
Answer:
x intercept is (3,0) and y intercept it (0,-3)
Step-by-step explanation:
Answer:800
Step-by-step explanation:

and 




Using Z table to get InvNormal(0.9893)=2.30


Answer:
f(0)=4
Step-by-step explanation:
f(0)=4*9^0=4*1=4
Answer:
the cost of one hot chocolate is $2.
Step-by-step explanation:
Let x be the hot chocolate cost and y be the newspaper cost.
Given:
A newspaper and three hot chocolates cost $7
So, the equation is
--------(1)
Two newspapers and two hot chocolates cost $6
So, the second equation is.
---------(2)
Find one hot chocolate cost?
Solve equation 1 for y.


Put y value in equation 2





negative sign is cancelled both side.


Therefore, the cost of one hot chocolate is $2.