3. The table shows the number of coins in a change dish. If Malcolm selects two coins at random without replacement, what is the probability that he selects a nickel followed by dime? Express your answer as a decimal rounded to the nearest thousandth if necessary
Coin
Number
Penny
Nickel
Dime
Quarter
B

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.