Answer: 
Step-by-step explanation:
Given: Jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job.
For every job, he charges an initial fee plus $30 for each hour of work.
let m be his initial fee.
Then 
.......(1)
Also, his total fee for a 4-hour job, for instance, is $170.
Put t=4 and f=170 in (1), we get
Now, put m=50 in the (1), we get the function's formula for Jabari's total fee, f as
Answer:
a. 0.0000009 m
b. 6,130, 000, 000
c. 100,000 light years
d. 0.00001 mm
e. 0.0000010 kg
Step-by-step explanation:
Here, we want to come from the standard form to the decimal form
In doing this, we consider the power of 10 attached
If negative, we count leftwards, if positive, we count right-wards
The number of times we count is the power of 10 attached. The count means we are moving the decimal point
For numbers with out visible decimal point, it is at the back of the most right-ward number
Thus, we have these as;
a. 9 * 10^-7
= 0.0000009 m
b. 6.130 * 10^9
= 6,130, 000, 000
c. 1 * 10^5
= 100,000 light years
d. 1 * 10^-5 mm
= 0.00001 mm
e. 10^-7
= 0.0000010 kg
Sam had the better score
To compare their scores we require to convert them into percentages
Express as a fraction and multiply by 100%
× 100% = 86.7% ( to 1 dec. place )
× 100% = 83.3% ( to 1 dec. place )
There is a proportional relationship so we can just make an equivalent expression and solve for x. I like cross-multiplication expressions for these.
I believe the answer is 2.1 cups of flour.
In the smallest of the three triangles (with sides 
) we have
In the second-largest triangle (with sides 
), the length of the missing side is 
. Then in the largest triangle (with sides 
), we have
Equivalently, we have
In turn, we find
