Let n equal 3a+2b-7. what happens to the value of n if the value of a increases by 2 and the value of b decreases by 1?

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

Factor this polynomial completely x^2-64

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