Marta is making two different charms for a necklace. One charm has a 1 cm diameter and a 3.14 cm circumference. A similar charm has a diameter of 4 cm. What is the circumference?

A family has 8 girls and 4 boys. A total of 2 children must be chosen to speak on the behalf of the family at a local benefit. What is the probability that 1 girl and 1 boy will be chosen? A. 2/11 B. 1/6 C. 2/33 D. 16/33

Identify the equivalent trigonometric values. A sin 17°, cos 17° B cos 29°, sin 61° C sin 78°, cos 102° D cos 83°, cos 7°

Grandpa bob decided to knit mittens for each of his eight grandchildren. it takes grandpa bob three and a half hours to make one mitten. how many hours did it take grandpa bob to make all of the mittens?

3W squared + 13 W - 10 equals 90

9-4 (2p-1) = 41 what is p

Euler's formula, V - E + F = 2 relates the number of vertices V, the number of edges E, and the number of faces F of a polyhedron. How many faces does a polyhedron with 5 vertices and 8 edges have?

12. x2 - 25 = 0 solve for square roots

How many solutions does the equation have? |p - 4| = - 5

F (x) = 2/3x+3, what is the value of f (12)

A problem on a multiple-choice quiz is answered correctly with probability 0.9 if a student is prepared. an unprepared student guesses between 4 possible answers, so the probability of choosing the right answer is 1/4.