Answer: She has 40 nickels and 40 quarters .
Step-by-step explanation:
Let be "n" the number of nickels Theresa has and "q" the number of quarters Theresa has.
You know that she has a total of $12 in nickels and quarters. In cents, this is:

Then, based on this you can write the following expression:

Since
, you can rewrite it as:

Solving for "n", you get:

Therefore she has 40 nickels and 40 quarters .
Answer:
1/5 × 40 = 8
the person's speed is 8 miles per hour
Answer:
Your answer is C and D
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
(4-2)³ = 8
so 8 - 3 x 4
is equal to -4