Write the simplest form: 2ab+5b-a
Note:the answer is a+5b but please tell how it came?

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How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have