Wouldn't you use sin, cos, tan?
Step-by-step explanation and the Answer:

2.98×100000= 298000
So therefore the answer is 298000.
Answer:
It would be y=2x+4 since the slope is 2 and the y-intercept is 4
(your welcome!)
Answer:
I'm assuming we're solving for the hypotenuse, which is 21.5
Step-by-step explanation:
If a^2+b^2=c^2
Then 19^2+10^2 =461
This is c^2 so we must find the square root of 461
the square root of 461 is 21.47, or 21.5 rounded to the nearest tenth
29293
Step-by-step explanation:
yes yes !!