Simplify the expressions below as much as possible. 2a + 4 (7 + 5a) 4 (3x + 2) - 5 (7x + 5) x (x + 5) 2x + x (x + 6)

If I have the equation: (x/y) = (L^-.5/K^-.5) To get rid of the negative exponents I flip L and K. Do I need to flip X and Y too?

A number cube is rolled 450 times. The number 3 comes up 67 times. What is the experimental probability of rolling a 3? Write your answer as a fraction in simplest form.

The table shows the distance traveled over time while traveling at a constant speed. What is the ratio of the change in y-values to the change in x-values? 1:900 1:1,200 900:1 1,200:1

Jefferson drew a line 9.5 inches long. Brittany drew a line 10 times as long. What is the difference in length between the two lines? Do I subtract the two or do I write down something else?

Of 100 children in grade 5 and grade 6, three quarters have pets; 40 children have a dog, 18 children have a cat. how many children have other kinds of pets?

True/false:the following equation is an example of distributive property 42+22+56+11=131

14 ft = how many yards with a remainder of feet

protons are positive and electrons are negative if atom has 12 protons and 15 electrons what is the overall charge

What is the definition of undefined term?

In binary system 100 + 101 = 1001. write decimal equivalent of the summand and sum.