Which figure must be a rhombus?

a.
a parallelogram with four congruent sides

b.
a parallelogram with four congruent angles

c.
a quadrilateral with four right angles

d.
a quadrilateral with congruent diagonals

marissa wrote this equation for the area of a rectangle.

18.3w = 433.71.

what is the width (w) of this rectangle?

a.
415.4 units

b.
7936.9 units

c.
452.0 units

d.
23.7 units

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. using the technique in the model above, find the missing segments in this 30°-60°-90° right triangle. ab = 8 bc = 4 cd =

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?

Can you make 1000, using only eight 8’s? if you had your choice, would you rather have 5 million dollars, or 1 penny, doubled every day for a month?