Write the relationship as a formula.The average area A of three squares with areas of x, y, and z can be found by taking the sum of the areas of the individual squares and dividing by 3.

A. = 
B. = 
C. = 
D. = 


Answer: B

Mathematics

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Solve.Find the area of an ellipse with a major axis 14 and a minor axis 6.

A. 42? B. 21? C. 42 D. 10.5?

Mathematics

Ship A leaves port sailing north at a speed of 25 mph. A half hour later, ship B leaves the same port sailing east at a speed of 16 mph. Let t (in hours) denote the time ship B has been at sea. Find an expression in terms of t giving the distance between the two ships and use this expression to find the distance between the two ships 3 hours after ship A has left port. Round the answer to the nearest tenth. ?

A. 86.0 mi B. 78.0 mi C. 83.5 mi D. 83.0 mi E. 85.0 mi

Mathematics

Calculate the perimeter for the given figure. Use 3.14 for ?. Round to hundredths if necessary.Rectangle topped by a semicircle

A. 29.85 ft B. 32.70 ft C. 18.57 ft D. 24.85 ft

Mathematics

Use the slope formula to find the slope. (Hint: To learn the formula, write the complete formula each time you use it.)

(-2, 0) and (0, 5)

Mathematics