In a box of chocolates, 1/5 of the chocolates contain nuts. the rest of chocolates do not contain nuts.
write down the ratio of the number of chocolates that contain nuts to the number of chocolates that do not contain nuts.
give your answer in the form 1:n

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

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

What describes horizontal cross section of the right rectangle 6m 8m 5m