Answer:
Use the formula change in y divided by change in x to get your answer
C. 40
30x30=900
40x40=1600
total of 2500 take the square root and your left with 50 so everything balances out
19 is the answer since 2 to the 2nd power is 4 5×4=20 -1 to the 2nd power is -1
20-1=19
Answer:
y=-3x+5
Step-by-step explanation: y=mx+b
to find slope (m) use the equation 
so
= -3
to find b
use y=mx+b
-1=-3(2)+b
-1=-6+b
5=b
Hope this helps :)
Answer:
-9.661
Step-by-step explanation: