About 210000 people live in a circular region with 12 like radius. Find the population density in people per square mile

A hot air ballon is rising to its cruising altitude. Suppose the air temperature around the ballon drops 4 degrees each time the ballon increases its altitude by 1,000 feet.

Write 60 as the sum of two numbers

This years "Dream of a lifetime" lottery sold 50,000 tickets and gave away 5,000 prizes including one grant prize What's the probability that one ticket will win the grand prize What is the probability that one ticket will win any prize

What is the value of y in the sequence below? 2, y, 18,-54,162, ... -6 -3 3 6

Rosa has 4 1/2 pounds of pizza dough she uses 3/4 of a pound how many pizzas would be made from rosas dough

What is the answer to this (143 (5) + 67) 5=

Least common multiple of 10 and 15

Adam's father spent 1 hour and 50 minutes working on his truck. If it was 7:35 when he stopped working, what time was it when he originally started?

If Sara could type 90 words a minute about how many words could she type in 10 mins

On a trip from virginia to florida the sampson family wants to travel at least 420 miles in 8 hours of driving what must be their average rate of speed