Simplify the following

8 (a+b) - 3 (a-b)

21p-p (6-3k)

3 (2x+5y) + 2 (3x-2y)

7a - (3a-2b)

On every 3rd day Ivan goes to the gym. On every fifth day Gavin goes to the gym. What day will Ivan and Gavin will see each other.

Which of these elements could not form in the sun and would have to be formed in a supernova a) hydrogen (atomic number 1) b) uranium (atomic number 92) c) helium (atomic number 2) d) oxygen (atomic number 8)

You and a friend each roll a die to see who goes first in a board game. what is the probability that at least one of you rolls a 6

How many one-degree angles are in a 70 degree angle?

What is the slope of the line passing through (0, - 3) and (0, - 2) ? A) undefined B) 0 C) - 23 D) 32

Mr. holms used 4/5 of a carton of orange juice. he used equal amounts of leftover juice for two servings what fraction of the whole carton of juice did he use for each serving

Choose Yes or No to tell whether there is more than one way to draw a triangle with the given measures.

What is an equation of the parabola with vertex at the origin and focus (-6, 0) ?

Which equation finds the value of x in the triangle below? Right triangle X Y Z is shown. Side X Z has a length of 12, side Z Y has a length of x, and hypotenuse X Y has a length of z. The angle opposite to side x is 20 degrees.

What is the slope of (-3, 1), (-1, 5) ?