Find the smallest 4 digit number such that: - The number of tens plus the numbers of hundreds equals the number of thousand
AND
- The number of ones is half the number of tens and is one more than the number of hundreds.

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.