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angles a and b are supplementary. angle a has a measure of 80°. what is the measure of angle b?
the measure of angle b is

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

In which form is the following function written? y = - 2(x – 3)(x + 5)

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate