Answer:
Your right?
Step-by-step explanation:
its the only answer that actually qualifies. Although any number above 20 would work I guess. there are no requirements.
Answer:
yes
Step-by-step explanation:
Only the lengths change, not the angles.
Answer:
cos -60° = ,
cos 660° =
Step-by-step explanation:
hope it helps
Answer:
No
Step-by-step explanation:
If y is a function of x, then the equation would be written as a "y =" equation, not an "x = " equation. This example is one where x is a function of y.
Turn it into math terms bit by bit. let x be "a number"
8 times a number is 8×x
increased by 9 is +9
7 times a number is 7×x
exceeds is minus
by 15 is =15
now we put it together.
solve