Double 8 then subtract 2

There are 3 white marbles and 7 blue marbles in a bag. Jamie will randomly pick two marbles out of the bag without replacing the first one. What is the probability of Jamie picking a white marble and then a blue marble?

What is the value of the fourth term in a geomtric sequence for which a1=15

The length of a rectangle is four times its width. If the perimeter is at most 106 centimeters, what is the greatest possible value for the width? Which inequality models this problem? A. 2w+2 x (46) _< 106 B. 2w + 2 x (4) _> 106 C.

21 is 75% of what number? I don't get it.

Kwame must earn more than 16 1616 gold pieces per day to afford living in the City of Gold. Write an inequality that describes G GG, the number of gold pieces Kwame must earn per day to afford living in the City of Gold.

Find the volume of a prism with triangular bases where the perimeter of the base = 16", apothem = x", and the prism height = 10". Use V = Bh and A = 1/2 ap for the area of the base.

Jordan is mailing a package at the post office. The box measures 8 3/4 inches long, 2 1/2 inches wide, and 5 1/4 inches high. What is the volume of his box?

The perimeters of four triangles are as follows: 3, 9, 27, 81. What would be the perimeter of a fifth triangle that follows the pattern? A. 87 B. 100 C. 135 D. 243

Monarch butterflies flap their wings about 12 times a second in flight. How many times do they flap their wings in 1 hour of flight?

Kami and her mother offer tours of a nearby canyon. They charge a $50 base rate plus $10 per person for a 2.5 hour tour. Which equation represents A, the amount they make to tour p people thorough the canyon?