X+y=57
x-y=33
make first one in x= form
x=-y+57
x-y=33
-y+57-y=33
-2y+57=33
-2y=-24
y=12
plug in to find x
x-y=33
x-12=33
x=45
Answer:
B. f(-5) = -70
Step-by-step explanation:
f(-5)= 10(-5) - 20
f(-5) = -50 - 20
f(-5) = -70
Answer:
2 500 000 rad.
Step-by-step explanation:
Mega is the metric prefix for 
, therefore you just need to multiply by 1 000 000 to find the value in rads.
5
plug in (-1) for x, this gives you (-2)(-1)+3 which is (2)+3 =5
This is a cubic binomial.
