What is the surface area of an ice cube that has 4 cm sides?
a) 64 cm2.
b) 96 cm2.
c) 128 cm2.
d) 301 cm2.

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)