When is a rhombus a rectangle?

À. When its sides are parallel

B. When its angles are convex angles

C. When its angles are right angles

D. When its sides are congruent

If the perimeter of rectangle is 68cm if the diagonal is 26cm find dimensions

Nick says 2 1/4 equals 4 : 9. Is he correct? Explain.

The price of a share of stock in Hilton (hotel) Company rose on Tuesday to a new 52 week high of $38.50. Last month the price was $21.30. What was the percentage increase? (use the % symbol in your answe

Which is closest to the area of a circle that has a radius of 6 cm? Use 3.14 A. 19 square centimeters B. 38 square centimeters C. 75 square centimeters D. 113 square centimeters

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Catherine is considering two new cell phone plans. She doesn't want to spend more for minutes she won't use. One plan allows up to 250 minutes per month for $49, and the other plan allows up to 350 minutes per month for $65.

What is the value of the variable that makes the statement true? a + (-7) + 3=0 A. - 4 B.-3 C. 4 D. 7

Bonny Blair of the United States set a world record in speed skating when she skated 5.00 x 10' m with an average speed of 12.92 m/s. Suppose Blair crossed the finish line at this speed and then skated to a stop.

The table below shows the values of y for different values of x: x y 0 0 1 8 2 16 3 24 Which equation shows the relationship between x and y? A. x = 8y B. y = 8x C. y = 8 + x D. x = 8 + y

What is 25 percent of 100