Mathematics, 26.06.2020 15:01 johnsonkia873
Which of the following expressions can be factored by grouping? (Select all that apply.)
a^2 - 9 a + 7 ab + 63 b
3 a + 4 ab - b - 12
ab + 6 b - 2 a - 12
x^3 + 9 x^2 + 7 x + 63
ay^2 + a - y^2 - 1
Answers: 1
Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
Answers: 3
Mathematics, 21.06.2019 18:00
For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip
Answers: 1
Which of the following expressions can be factored by grouping? (Select all that apply.)
a^2 - 9 a...
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