Maria is buying ribbon for wrapping presents. a large present requires 7.25 feet of ribbon, a medium present requires 5.75 feet, and a small present
3.25 feet. if maria is wrapping 5 large presents, 9 medium presents, and one small present, how much ribbon will she need?
feet

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

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