Which situation can be represented by a single expression? 3
O The product of a and a number is 16.
o iš of a number
Half of a number is 15.
The difference of 20 and a number is 14.
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45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.