You are making a scale model of the solar system. The radius of Earth is 6378 kilometers. The radius of the Sun is 695,500 kilometers. Is it reasonable to choose a baseball as a model of Earth? Explain your reasoning.

Simplifying algebraic expressions 7t+10+4+7t

Jim's diner offers its clients a choice of regular and diet soda. Last night, the diner served 30 sodas in all, 30% of wich were regular. How many Regular sodas did the diner serve?

A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 13 subjects had a mean wake time of 102.0 min. After treatment, the 13 subjects had a mean wake time of 79.

There are 3 marbles (yellow, blue, and green). you pick a marble and flip a coin. how many outcomes are possible

Steve can type 40 words per minute. Jaun can type 55 words per minute per minute. If steve and jaun each type for 30 minutes about how many more words will Juan type?

Bob is having a party and want to order some cake. there will be 57 guest and he wants to make sure that everyone gets a slice of cake. he wants to pay as little as possible for the cakes and for them to be the same size.

2w - 4 = 3w a w = - 4 b. w = 4 c. w = - 4/5 d. w=4/5

If your 10 feet away from a friend but you are a snail how long will it take you

How to. find holes in an equation

Create two real world problems that involve the fraction 1/2 and the whole number 3