Which of the following is the converse of the statement "If it is my birthday, then it is September"?
A. If it is not September, then it is my birthday.
B. If it is not September, then it is not my birthday.
O
C. If it is September, then it is not my birthday.
D. If it is September, then it is my birthday.
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The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.