Provide an appropriate response.In your own words, describe the procedure for adding any two rational expressions.
What will be an ideal response?
If the denominators are the same, add the numerators and write the sum over the denominator. Simplify, if possible. If denominators are different, first rewrite the expressions with a common denominator, then proceed as above.
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Solve the problem.Molly has $13.30 in coins. She has five more nickels than dimes. She has seven fewer quarters than dimes. How many quarters does she have?
A. 42 quarters B. 37 quarters C. 30 quarters D. 35 quarters
Use the two steps for solving a linear programming problem to solve the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $7, takes up 7 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 10 square feet, and holds 15 cubic feet. He has only $94 to spend and the office has room for no more than 100 square feet of cabinets. He wants to have at least one of each type of cabinet. How many of each can he buy to maximize storage capacity?
A. 0 cabinet A and 13 cabinet B B. 10 cabinet A and 3 cabinet B C. 13 cabinet A and 0 cabinet B D. 3 cabinet A and 10 cabinet B
Use inductive reasoning to predict the next line in the pattern. Then perform the arithmetic to determine whether your conjecture is correct.8 × 9 = 10 × 11 - (8 + 9 + 10 + 11)9 × 10 = 11 × 12 - (9 + 10 + 11 + 12)
A. 10 × 11 = 12 × 13 - (10 + 11 + 12 + 13) B. 10 × 11 = 12 × 13 - (8 + 9 + 10 + 11 + 12 + 13) C. 11 × 12 = 13 × 14 - (10 + 9 + 8 + 7) D. 11 × 12 = 13 × 14 - (11 + 12 + 13 + 14)
Solve the problem.One maid can clean the house in 3 hours. Another maid can do the job in 5 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr