Which equation best represents this situation?

the number 63 increased by an unknown number is equal to 105.

a. 63÷s=105

b. 63s=105

c. 63-s=105

d. 63+s=105

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

C. using a standard deck of 52 cards, the probability of selecting a 4 of diamonds or a 4 of hearts is an example of a mutually exclusive event. true of false