Is the number 621 prime or composite why?

Doughnuts are sold in bags and cartons. A bag hold 4 doughnuts and a carton hold 10 doughnuts. Tom buys B bags of doughnuts and C carton of doughnuts. He buys a total of T doughnuts. Write down a formula for T in terms of B and C

F (x) = 2x^2+5 on [2, b]

A 10 ft chain weighs 45 lb and hangs from a ceiling. Find the work done (in ft-lb) in lifting the lower end of the chain to the ceiling so that it's level with the upper end. ft-lb.

Define f (1) in a way that extends f (s) = (s^3-1) / (s^2-1) to be continuous at s=1. Show step-by-step solution.

An arrow is shot at a square target with sides 100 cm long. The probability of hitting a circle with a 25 cm radius is equal to 2.0%.

Evaluate: - (-1) + (-7) + (2) - (-4) - (-2) A) - 2 B) 0 C) 1 D) 2'

How to convert 18 gallons/1 hour to cups and minutes

A whitewater raft has a capacity of 10 plus the crew. The raft company has found that 60% of those with reservations show up, so they take up to 12 reservations. What is the probability that 10 people show up?

What 2 numbers add up to 23 and multiply to - 126

True or False: For the depreciation formula, A = C (1 - r) t, the A value will always be greater than the C value.