Answer:
In step 2, he needed to divide both sides of the equation by 5
Step-by-step explanation:
we have

Solve for a------> That means isolate the variable "a"
step 1
Subtract 2b to both sides


step 2
Divide by 5 both sides


Hello,
2k²-3k-9=0
==>k=3 or k=-3/2
Answer C two rational solutions.
Answer:
Primary : letters, artifacts, contracts
Secondary : documentaries, encyclopedias, biographies
Step-by-step explanation:
(I'm not too sure about contracts, so you might want to check yourself for that one)
Answer:
30 ft
Step-by-step explanation:
Multiply the scale factor by the wall given.
45 X 8 in = 360 in
Convert inches into feet. (12 inches = 1 foot)
360/12 = 30 feet