Which of the following properties is always true for a parallelogram and why?

A. Diagonals bisect each other

B. Diagonals are perpendicular

In city A, the mean commute to work is 17 miles with a range of 12 miles to 19 miles. In city B, the mean commute to work is 22 miles with a range of 19 miles to 24 miles.

Which two numbers have 8 as their greatest common factor: 16 and 34, 56 and 28, 8 and 28, and 16 and 84

Is y=x-9 a quadratic equation

A movie theater charges $6.50 for matinee showings and $8.75 for evening showings. Yesterday the theater sold 378 tickets for a total revenue of $2,929.50. How many matinee tickets were sold?

Simplify the expression. 7x + 7 + 5 (x + 3) + 3

Does 490/10 equel to 4.9

Which rational number also belongs to the set of natural numbers? Select one: a. 15 b. - 12 c. 38 d. 0.1666 ...

How many different ways can 12 race cars finish in first second and third place?

As a sales person you are paid $50 per week + 2 per sale this week you want your pay to be at least $100 what's the minimum number of sales you can make turn at least $100

4. If a pair of shoes is going to be discounted 15%, what decimal can be used as the multiplier to find the new cost of the shoes?