1 20. Choose all of the addition problems in
which you annex zeros to align place
values in the addends.
0.54 + 12.1
2.55 + 145.05
25.59 + 1.2
23.04 + 124.1 + 34.06
1.51 + 3.07 + 4.18
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Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3