Mathematics, 18.09.2019 04:30 tthompson7186
Which expression is prime? a) x2 - 9 b) 1 - 9x2 c) 2a2 - 25 d) 4x2 - 9
Answers: 2
Mathematics, 22.06.2019 01:30, kuadirkennedy
You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.
Answers: 1
Which expression is prime? a) x2 - 9 b) 1 - 9x2 c) 2a2 - 25 d) 4x2 - 9...
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