we are given
The angle is at right angled
It means that it's angle will be 90 degree
Since, these angles are part of right angle
so, their sum must be 90 degree
so, we get

now, we can solve for a


divide both sides by 7
and we get
.............Answer
What are the things you need to identify?
I guess he needs to save $4 more to buy the shoes
Answer: h
Step-by-step explanation: since point h corrdinates of 3,-2 and u wanna find 3,-2 the answers is in the question
You'll want to first simplify the expression

.
To do that, first distribute the

:


From there, you may just combine like terms:




Answer:
D. 4t - 10