What is the expression for "the difference of 3 and 5times a number"? answering

3 - 5n

(3 - 5)n

5 - 3n

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

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