Simplify 2x + x. What is the answer to this?

A bag contains red and blue marbles, such that the probability of drawing a blue marble is 3/8. an experiment consists of drawing a marble, replacing it, and drawing another marble. The two draws are independent.

A health conscious student faithfully wears a device that tracks his steps. Suppose that the distribution of the number of steps he takes is normally distributed with a mean of 10,000 and a standard deviation of 1,500 steps.

Which of the following rectangular prisms will have a surface area of 24 square units? A rectangular prism with a length of 5, width of 3, and height of 1. A rectangular prism with a length of 2, width of 2, and height of 2.

The number of calories burned, C, varies directly with the time spent exercising, t. When Dennis walks for 4 hours, he burns 800 calories. Which of the following equations shows this direct linear variation? A. C = t B. C = 800t C. C = 4t D.

14 fewer than a number is at least - 8

Fran's store spent 64,000 on expenses last year, Rent for the store was 35% of those expenses. How much did Fran spend on rent?

What is the answer to this (143 (5) + 67) 5=

Least common multiple of 10 and 15

Adam's father spent 1 hour and 50 minutes working on his truck. If it was 7:35 when he stopped working, what time was it when he originally started?

If Sara could type 90 words a minute about how many words could she type in 10 mins