What is the GCF for 21

A typical large orb spider has a mass of 0.50 g. if this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch?

Estimate $144.15 : 31

A single card is drawn from a standard 52-card deck. Let Upper B be the event that the card drawn is a black , and let F be the event that the card drawn is a face card. Find the indicated probability. Upper P (Upper B intersect Upper F)

The formula for the area of a triangle is a on, where b is the length of the base and his the hekta, Find the height of a triangle that has an area of 30 square units and a base measuring 12 units

A sack of potato's weighs 14 pounds 9 ounces. After Wendy makes potato salad for a picnic, the sack weighs 9 pounds 14 ounces. What is the weigh of the potatoes Wendy used for the potato salad

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.