exam
Maths Puzzle
Numerical Ability
Graph the lines by making a table of at least three ordered pairs and plotting the points. 4x-5y=15
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exam Other Question
can you please help me understand how to solve this problem? the nut house sells walnuts for $4.00 a pound and cashews for $7.00 a pound.how many pounds of cashews should be mixed with 10 pounds of walnuts to obtain a mixture that sells for $5.50 a pound?
Carbon-14 decay question:
Can anyone help me solve? thanks!
The half-life of readioactive carbon-14 is 5,700 years. How much of an initial sample will remain after 3,000 years?
Thank You!