1. iris has two ribbons. the first ribbon is 11.7 in. long. the second ribbon is 5.25 in. long. she wants to cut them so that they are the same length.

what is the answer
(a) estimate the difference between the ribbon lengths.
(b) will your estimate be high or low? explain.
(c) how much does iris need to cut from the longer ribbon to make the ribbons the same length?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

For what value of (y) is 3^3/3^y =1/9