Joanna has a total of 7 rolls of coins worth $23. She has rolls of dimes worth $5 each, and rolls of nickel worth $2. How many rolls of each kind does she have?

Elimination of x-y=11 2x+y=19

share 400 sweets between two boys such that one boy gets 60 more sweets than the other. what are the two shares?

Each year on the same day, Dr. Hodge purchases shirts for the most outstanding math teachers. What would be the total price for two shirts, including tax? $34.95 Sales tax:8%

Stan and Lisa visit the county fair. if they wait in line for 15 minutes to ride each attraction, how many attractions can they ride in 4 hours?

Which ordered pair is a solution to the equation 2x - 4y = 18? A. (-1, 4) B. (0, 4) C. (9, 2) D. (11, 1)

Find N (4) for the function, N (u) = 4.

What is population change?

Use the distributive property to rewrite each problem so it only has two factors. Then solve. (44 times 3) + (56 times 3)

Jessica is walking home from a friend's house. after two minutes she is 0.7 miles from home. twelve minutes after leaving, she is 0.2 miles from home. what is her rate in miles per hour?

About 450 manta rays are seen near lady Elliot island each year if you were to spot one manta ray at random what is the probability that it would be clouseau