Estimate the product of 86 and 492

Compute: 5^1125·0.2^1123

Determine whether each statement is true or false. If false, give a counterexample. All radii of the same sphere are congruent.

The volume of a cylindrical watering can is 100cm^3. If the raduis is doubled, then how much water can the new can hold?

A skier is trying to decide whether or not to buy a season ski pass. A daily pass costs $63. A season ski pass costs $400. The skier would have to rent skis with either pass for $30 per day.

Winston needs at least 80 signatures from students in his school before he can run for class president. He has 23 signatures already. He and his 2 friends plan to get the remaining signatures during lunch.

An expression is written as m-5 (m+3) + 7m. What is the value of the expression when m=x+1?

Cormac is making 29 phone calls each week as part of a fundraiser. Last week, he made 10 phone calls on weekdays. Which equation could be used to find x, the number of phone calls he made last week on weekend days?

Jasmin's dog weighs 58 pounds. Her vet told her that a healthy weight for her dog would be less than or equal to 40 pounds. Jasmin's dog can lose an average of 1.5 pounds every week.

A town with an initial population of 2,000 doubling in size every 10 years. Exponential function or no?

20% of the past 60% days how many days did it rain