Suppose the diagonals of a parallelogram are both perpendicular and congruent. Which type of special quadrilateral is it? Use the most descriptive name possible.

A. rhombus

B. rectangle

C. square

D. parallelogram

Use rounding or compatible numbers to estimate the sum. 256+321

What is 32 % of 50?

Barbera needs to make at least $84 at work on tuesday to afford dinner and a movie on wednesday night. she makes $14 an hour at her job. how many hours does she need to work on tuesday? write an inequality and then solve.

The measure of an angle is five degrees greater than six times its supplement. what is the measure of the larger angle?

Solve the following for the indicated variable C = 2πr for r circumference of a circle

Spreadsheet software can be used to determine the amount of simple interest owed on a 30 day note. what mathematical operations would be used?

How many ounces of cinnamon is needed to bake cookies with 7 and 1/2 cups of flour if 1/3 ounce is cinnamon is needed for each 1 and 1/2 cups of flour?

The area of a parking lot at an amusement park is 1310 square meters. A car requires 5 square meters and a bus requires 32 square meters of space. There can be at most 135 vehicles parked at one time. If the cost to park a car is $5.

Janet drives from clarkson to humbolt in 2 hours. suppose janet drives for 10 hours. if she maintains the same driving rate can she drive more that 600 miles?

What is the answer fo this equation 5x + 8 for x = 9