Solve the problem.A woman has $2.55 in dimes and nickels. She has 18 more dimes than nickels. How many nickels does she have?
A. 7
B. 5
C. 28
D. 23
Answer: B
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First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.3
÷ 2
A. 1
B. 1
C. 1
D. 2
Provide an appropriate response.The formula for volume of a solid rectangular figure is V = lwh (length × width × height). If the volume of a mailing container must be 400 in3, its length 8 in. and its width 10 in., find its height.
Fill in the blank(s) with the appropriate word(s).
Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.3x + 6y = 109x + 18y = 30
A. (0, 4)
B. (6, 1)
C. Dependent, 
D. Inconsistent, ?
Write the number without exponents.7.202 × 10-6
A. .00007202 B. .000007202 C. .0000007202 D. -7,202,000