Solve for x and graph the solution.6x + 11 ? 10x - 21
A. x ? -8
B. x ? -8
C. x ? 8
D. x ? 8
Answer: C
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Solve the problem.Carol and Lu Yi carry a total of 6.5 liters of water as they begin a day hike. How many gallons of water are they carrying, to the nearest tenth?
A. 6.9 gal B. 24.6 gal C. 6.2 gal D. 1.7 gal
Provide an appropriate response.Solve the following equation: 3
= w + 1
Fill in the blank(s) with the appropriate word(s).
Factor out the GCF from the polynomial.40x + 20
A. 4(10x + 5) B. 5(8x + 4) C. 20(2x) D. 20(2x + 1)
Solve the problem.Jane wants to buy a photocopier. The salesperson has the following information on 3 models. If all 3 are used, a specific job can be done in 50 minutes. If copier A operates for 20 minutes and copier B for 50 minutes, one-half the job is finished. If copier B operates for 30 minutes and copier C for 80 minutes, three-fifths of the job is done. Which is the fastest copier, and how long does it take for this copier to finish the whole job?
A. A is fastest; 120 minutes B. C is fastest; 100 minutes C. B is fastest; 100 minutes D. C is fastest; 120 minutes