A bag contains 12 red, 30 blue, 20 green, 10 yellow, and 8 black marbles. Nancy chooses 1 marble from the bag. What is the probability that the marble is red, blue, or black?

A. 18

B. 38

C. 58

D. 78

Select all that have a value of 0. cos 0 sin 0

A youth group earned $285 washing cars. The group's expenses were $79. how much profit did the group make washing cars

The sum of two numbers is 52 , and the difference between the numbers is 2. Find the numbers.

Which expression is equivalent to (2x4y) ^3

Assinale todas as assertivas corretas com relação aos princípios de ensino na Matemática. Peso: 1.0 1. A repetição de situações é contraindicada. 2. Resume-se a ensinar conceitos, habilidades e algoritmos. 3.

a square pizza box has a width of 24 in. What is the area of the largest circular pizza that could fit in the box?

The temperature of a city changed by - 15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week. Write an expression to show the average change in the temperature of the city each week.

The sum of a number and two is equal to the quotient of six and negative four

17 divided by the quantity Z minus 34 what is the expression for the phase

Round 0.9998 to 3 decimal places