A lock has 5 buttons. The lock is opened by pushing two buttons simultaneously and then by pushing one button alone. How many combinations are possible?

2.) Simplify. - 3m - 7n + 10m + 4n

The probability of event A occurring given that event B has already occurred is 0.61. The probability of both events occurring is 0.5. What is the probability of event B occurring? a) 0.305 b) 0195 c) 0.390 d) 0.820 e) 0.500

Is 100 lbs heavier than 2 tons

Vicky came home from the matinee at 5:45 pm. The travel time to and from the cinema was 1/2 hr each way. She spent 2 1/4 hrs at the cinema. What time did she leave home.

To convert from a smaller unit to a larger unit, you {blank} by a power of ten add subtract multiply divide

What is the probability against drawing the ace of diamonds from a standard deck of 52 cards

How can you find the perimeter of the rhombus? Find (QS) (RT). Find (QT) (TS). Use the distance formula to find QT, then multiply by 4. Use the distance formula to find QT and QR, add the distances, then multiply by 4.

Jack drives an 18 wheeler. The truck's gas tank holds 105 gallons of gasoline. The driver begins the trip with a full tank. At his first stop his tank is 65% full. How much gasoline did he use?

How do you find 65 percent of 440

A solid metal sculpture in Kamila's backyard is in the shape of a sphere and has a radius of 6 inches. She wants to have it melted and made into small solid cones. She would like the cones to each have a diameter of 6 inches and a height of 9 inches.