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It costs $2.80 to make a sandwich at the local deli shop. To make a profit, the deli sells it at a price that is 170% of the cost. The sandwich sells for $___.
answered
Dec 23, 2018
Mathematics
middle-school
5
votes
174k
views
Which of these novels is considered an important precursor to science fiction? Fahrenheit 451 Frankenstein Oryx and Crake The Left Hand of Darkness
answered
Sep 28, 2018
English
high-school
5
votes
230k
views
I need help with 12! I hate stats. Probability that couple has all girls?
answered
Sep 13, 2018
Mathematics
college
4
votes
215k
views
How can submarines use echolocation to tell how close they are to the bottom of the ocean?
answered
Jul 26, 2018
Physics
high-school
4
votes
200k
views
A professional baseball team won 84 games.The team won 14 more games than it lost.There were no ties.How many games did the team lose?How many did it play?
answered
Jun 20, 2018
Mathematics
high-school
5
votes
89.2k
views
Find the three terms of an arithmetic sequence are as follows 15 23 31
answered
Feb 8, 2018
Mathematics
middle-school
3
votes
114k
views
Which of the following systems has the highest entropy? A cup of ice at 0 degrees C A cup of water at 50 degrees C A cup of water at 0 degrees C A cup of ice at −15 degrees C
answered
Jan 8, 2018
Chemistry
high-school
5
votes
183k
views
A builder is installing a norman window made up of a rectangle topped by a semicircle. If the radius of the semicircle is r, and the rectangle is 3r high, find the area of the window as a function of r.
answered
Dec 4, 2017
Mathematics
high-school
3
votes
19.7k
views
When one part of a car fails, the rest of the car doesn’t run properly. Explain why this happens in terms of systems.
answered
Jul 8, 2017
Biology
high-school
3
votes
217k
views
A part of a story that takes place
answered
Jun 6, 2017
English
high-school
2
votes
178k
views
The greatest earthquake ever recorded was in what South American country? Argentina Chile Peru Ecuador
answered
Jan 19, 2017
History
high-school
4
votes
129k
views
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