20 because 19 16/33 is the exact answer. Since they ask about how much that can be rounded up to 20
i think the first one is -3 and 7 but thats all i got
Answer:
67
Step-by-step explanation:
Answer:
When a power is taken on both sides of an equation, the resulting solutions might not check in the original radical equation. These are called extraneous solutions. You must check solutions by substituting in the values into the original equation and verifying that it produces a true statement.