The sum of 2 times a number and minus7 , added to 9 times the number as an expression

An equilateral triangle is similar to a scalene triangle. True or False

The experimental probability of rain in a certain town is 20 percent. In the next 45 days, how many days can one expect it to rain?

Geometry questions 1. the absolute value of a number can sometimes be negative. true or false. 2. the Ruler Postulate states that only integers are on the number line. true / false 3. the absolute value of - 0.75 is 0.25. true/false

If a1=1000 and d=-4 find a52

Pizza planet delivers pizza within a 17 mile radius of their store. if this area is represented graphically, with pizza planet located at (2, 4), what is the equation that represents the delivery area?

What is the difference between - 5x + 7 and 3x - 2

How do I check 102:17=6 without multiplying

Which number is missing in the last step? - 200 - 25 25 200

I have a Math Quiz for You Mathmatizers! I have a 72" 2x4 with 2 cuts/3 pieces The 2nd piece is twice as long as the 1st piece, The 3rd piece is twice as long as the 2nd piece. How long is the 1st piece?

Simplify the expression. 3y^3-2[4y-y (y-3) ]-[2y (y+1) - 3y (y^2-1) ]