Solve the following equations for the given variable:

1. 3x=21, x=

2. X+3=15, x=

3. 15-x=12, x=

4. X-5=52, x=

5. 3+x=23, x=

6. X/5 = 25, x=

7. 25/x = 5, x=

Add, answer as a fraction: 1/15 + 3/12

What is the perimeter of a triangle with side lengths 2x (3x-1) and (4x+5) ?

Question 1 Solve for x: 3x - 24 = 81 fifty-seven over three one hundred five over three 57 105

An electronics company has been producing 1705 CD players a day working two shifts. The second shift has produced 95 Cd players fewer than four-fifths of the number of Cd players produced by the first shift.

Nine less than a number is between 3 and 8. Find the range of numbers that make this true.

Suppose that you have a pattern rule with an algebraic expression. a) What does the constant term tell you about the pattern? b) What does the numerical coefficient tell you about the pattern?

Is the function f (x) = ( - 7) ^ x an exponential function? If so, identify the base. If not, why not?

What two numbers multiply to get - 294 and add to get 7

What is the common difference for this arithmetic sequence 45,40,35,30,25, ...

It takes 40 units of maple sap to produce one unit of maple syrup. Jane and her family are bottling maple syrup in 20 oz. bottles. She notices that they add about 2 oz. of air every time they fill a bottle, to avoid overfill.