Which is a valid conclusion that can be drawn from these statements?

If a quadrilateral is a rhombus, then it is a parallelogram.

If a quadrilateral is a parallelogram, then its opposite angles are congruent.

Sonya expected to get $60 for her birthday, but she only got $40. What was the percentage decrease of the amount Sonya recieved?

Write 7g:2kg 15in:4ft 6mm:6cm 16ft:1mi as a scale without units

Which expression has a value of 36? A. 9/12 x 48 B. 6/7 x 21 C. 10/13 x 39 D. 3/7 x 42

How do you know a number is odd?

Find the value of n in in the related divisio 5. n=3 X 45

What is the vertex of y=x^2+2x-1?

Wholesale price $12.50. %Markup 78% what is the $Markup and retail sale price

The SAT mathematics scores in the state of Florida are approximately normally distributed with a mean of 500 and a standard deviation of 100.

The new pane will cost $91.00 plus an additional fee for installation. a local contractor charges $120 per hour for installation. if it only takes 45 minutes to replace the window, what will be the total cost?

What's the mean median mode range of 29.3 31.7 32.4 46.3 48.9