Answer:
b=−5x+y
Step-by-step explanation:
Let's solve for b.
y=5x+b
Step 1: Flip the equation.
b+5x=y
Step 2: Add -5x to both sides.
b+5x+−5x=y+−5x
b=−5x+y
Answer:
-2497
Step-by-step explanation:
Sn=n/2[2a+(n-1)d]
=22/2[2*-40+(22-1)d]
=11(2*-40+(21*-7)
= -2497
Divide 331 by 4.5
331/4.5= 73.555555555555 so you can round to 73.6 mph
Answer:501
Step-by-step explanation: So basically you take 419-2 now thats 417+72=489+12=501