Alex goes walking north at a speed of a 4 meter per second. He encounters wind blowing south against him at 2 meters per second. What is his overall speed?

Danielle built a ramp with a stopping block at the bottom for her scout troop's pinewood derby. She wants to paint the top and sides of the ramp.

A rectangle has an area of 112cm. The length and width of the rectangle are changed by a scale factor of 1.5. What is the area of the new rectangle?

What is the value of 4 in the number 358.547?

What is the volume of a prism

The neck length was recorded for 5 different giraffes. each measurement has been rounded to the nearest 1/2 foot. measuments:5 4 1/2 6 5 6 1/2. How much longer are the two longest necks than the two shortest necks?

When Rosa tripped and fell into a muddy puddle at lunch (she was so embarrassed!), she knew exactly what would happen: within ten minutes, the two girls who saw her fall would each tell four people what they had seen.

What is the Vertex y=2x^2+6

What is 128 divided by 8

A collector's hockey card is purchased in 1990 for $5. The value increases by 6% every year.

At a local University 54.3% of incoming first-year students have computers. If 3 students are selected at random, find the following probability. A) At least one has a computer B) None have computers