Uma urna contem 7 bolas brancas, 5 bolas pretas e 4 bolas vermelhas. qual a probalidade de retirarmos, ao acaso, uma bola preta?

Find the square root of 291600 by prime factorization

Show that the ordered pair (9,1) satisfies the equation 2x-3y=15

Evaluate the expression when y = 16. 3 + y : 4

The radius of a circle is 6 meters. What is the area of a sector bounded by a 45° arc?

On average, Betsy read 1 page of her book every 1.5 minutes. Her book has 116 pages. Raymond starts a 94 - page book on Saturday morning at 8:30 am and reads straight through until he finishes it at 11:38 am.

A basketball player shoots the ball with an initial velocity of 14.4 ft./sec at an angle of 41.9 degrees with the horizontal. to the nearest tenth, find the initial horizontal component of the vector that represents the velocity of the ball. a) 4.

If x equals 10 what 5x-10

What is the inverse operation of subtraction? How do you "undo" subtraction? A:Addition B:Subtraction C:Division D:Multiplication

How do I find the operation to do in math word problems

It costs $3 to bowl a game and $2 for shoe rental. Write an expression for the cost of G games