The answer is y=3x.
y=21, x=7
y=mx (m is the variable for slope)
21=m(7)
m=21/7
m=3
If you divide a fraction over a number, you can just muplitply the denominator (the number under the line) by the number by which you divide:

99 and 21 are divisible by 3, so we can divide them both by it:

but that's all we can do!
so let's multiply

and it's its simplest form
Answer:
x=7, SU=63, TU=63, SU=126
Step-by-step explanation:
The mid point of SU is T meaning, ST=TU
we find value of x as 7.
replace x by 7 and find the value of given lines.
3/5 into a percent is 60 is is less than 2/3 as a percent of 66.66
Answer:
d = 13/3
Step-by-step explanation:
-d = -13/3 The "d" is still a -1. Divide the -1 by both side.
-13/ 3 divided by -1 equals 13/3