Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.

The cosine of the complimentary angle of 60°.

a.

0.50

c.

0.25

b.

0.86

d.

0.71

A recipe that serves 6 uses 1 1/4 cups of flour. How many cups are needed to serve 8?

A strip of wood 66 inches long is to be cut into 51/2-inch pieces. How many pieces can be cut?

Solve by substitution y=-4x=5 and 3x+2y=0

How you can tell if a figure is a rectangle. does the color or size matter.

A circular garden has a circumference of 113 yards. Lars is digging a straight line along a diameter of the garden at a rate of 12 yards per hour. How many hours will it take him to dig across the garden? Use 3.

Which is the better buy 18 cans of cat food for $15 or 12 cans for $9

A certain spinner has equally sized slices. The probability of landing on a yellow slice is 1/5. What are the odds in favor of landing on a yellow slice?

Each table has 4 legs how many legs do 4 tables have

You can buy 2 DVDs for the same price you would pay for 3 CDs selling for $13.20 a piece. Explain how you could find the price of 1 DVD.

The blue line arrives every 10 minutes the red line arrives every 8 minutes and the yellow line arrives every 12 minutes, how long until they arrive at the station at the same time